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Finding the Fourth Proportional to 619,662.40, 929,493.60 and 495,246.40

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Solution

The fourth proportional to 619,662.40, 929,493.60 and 495,246.40 is: 742,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,662.40 : 929,493.60 = 495,246.40 : x
  2. Step 2: Convert to fraction form
    619,662.40/929,493.60 = 495,246.40/x
  3. Step 3: Cross multiply
    619,662.40x = 929,493.60 × 495,246.40
  4. Step 4: Simplify right side
    619,662.40x = 460,328,359,223.04
  5. Step 5: Solve for x
    x = 460,328,359,223.04/619,662.40
  6. Step 6: Final answer
    x = 742,869.60

Related Problems

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Half scale
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Double scale
Find fourth proportional to 619,663.40, 929,495.10 and 495,247.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.