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Finding the Fourth Proportional to 624,024.54, 861,153.12 and 337,543.74

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Solution

The fourth proportional to 624,024.54, 861,153.12 and 337,543.74 is: 465,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,024.54 : 861,153.12 = 337,543.74 : x
  2. Step 2: Convert to fraction form
    624,024.54/861,153.12 = 337,543.74/x
  3. Step 3: Cross multiply
    624,024.54x = 861,153.12 × 337,543.74
  4. Step 4: Simplify right side
    624,024.54x = 290,676,844,837.47
  5. Step 5: Solve for x
    x = 290,676,844,837.47/624,024.54
  6. Step 6: Final answer
    x = 465,809.96

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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.