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Finding the Fourth Proportional to 899,997.60, 1,349,996.40 and 367,244.40

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Solution

The fourth proportional to 899,997.60, 1,349,996.40 and 367,244.40 is: 550,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,997.60 : 1,349,996.40 = 367,244.40 : x
  2. Step 2: Convert to fraction form
    899,997.60/1,349,996.40 = 367,244.40/x
  3. Step 3: Cross multiply
    899,997.60x = 1,349,996.40 × 367,244.40
  4. Step 4: Simplify right side
    899,997.60x = 495,778,617,920.16
  5. Step 5: Solve for x
    x = 495,778,617,920.16/899,997.60
  6. Step 6: Final answer
    x = 550,866.60

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Half scale
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Double scale
Find fourth proportional to 899,998.60, 1,349,997.90 and 367,245.40
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.