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Finding the Fourth Proportional to 624,603.56, 861,952.74 and 338,123.41

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Solution

The fourth proportional to 624,603.56, 861,952.74 and 338,123.41 is: 466,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,603.56 : 861,952.74 = 338,123.41 : x
  2. Step 2: Convert to fraction form
    624,603.56/861,952.74 = 338,123.41/x
  3. Step 3: Cross multiply
    624,603.56x = 861,952.74 × 338,123.41
  4. Step 4: Simplify right side
    624,603.56x = 291,446,403,035.23
  5. Step 5: Solve for x
    x = 291,446,403,035.23/624,603.56
  6. Step 6: Final answer
    x = 466,610.22

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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.