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Finding the Fourth Proportional to 624,613.29, 861,966.62 and 338,133.37

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Solution

The fourth proportional to 624,613.29, 861,966.62 and 338,133.37 is: 466,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,613.29 : 861,966.62 = 338,133.37 : x
  2. Step 2: Convert to fraction form
    624,613.29/861,966.62 = 338,133.37/x
  3. Step 3: Cross multiply
    624,613.29x = 861,966.62 × 338,133.37
  4. Step 4: Simplify right side
    624,613.29x = 291,459,681,883.84
  5. Step 5: Solve for x
    x = 291,459,681,883.84/624,613.29
  6. Step 6: Final answer
    x = 466,624.21

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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.