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Finding the Fourth Proportional to 495,300.60, 742,950.90 and 416,568.60

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Solution

The fourth proportional to 495,300.60, 742,950.90 and 416,568.60 is: 624,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,300.60 : 742,950.90 = 416,568.60 : x
  2. Step 2: Convert to fraction form
    495,300.60/742,950.90 = 416,568.60/x
  3. Step 3: Cross multiply
    495,300.60x = 742,950.90 × 416,568.60
  4. Step 4: Simplify right side
    495,300.60x = 309,490,016,281.74
  5. Step 5: Solve for x
    x = 309,490,016,281.74/495,300.60
  6. Step 6: Final answer
    x = 624,852.90

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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.