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Finding the Fourth Proportional to 624,472.36, 861,792.72 and 382,708.22

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Solution

The fourth proportional to 624,472.36, 861,792.72 and 382,708.22 is: 528,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,472.36 : 861,792.72 = 382,708.22 : x
  2. Step 2: Convert to fraction form
    624,472.36/861,792.72 = 382,708.22/x
  3. Step 3: Cross multiply
    624,472.36x = 861,792.72 × 382,708.22
  4. Step 4: Simplify right side
    624,472.36x = 329,815,155,966.62
  5. Step 5: Solve for x
    x = 329,815,155,966.62/624,472.36
  6. Step 6: Final answer
    x = 528,150.13

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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.