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Finding the Fourth Proportional to 624,008.16, 861,131.88 and 337,528.68

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Solution

The fourth proportional to 624,008.16, 861,131.88 and 337,528.68 is: 465,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,008.16 : 861,131.88 = 337,528.68 : x
  2. Step 2: Convert to fraction form
    624,008.16/861,131.88 = 337,528.68/x
  3. Step 3: Cross multiply
    624,008.16x = 861,131.88 × 337,528.68
  4. Step 4: Simplify right side
    624,008.16x = 290,656,706,762.32
  5. Step 5: Solve for x
    x = 290,656,706,762.32/624,008.16
  6. Step 6: Final answer
    x = 465,789.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.