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Finding the Fourth Proportional to 624,614.16, 861,967.83 and 338,134.25

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Solution

The fourth proportional to 624,614.16, 861,967.83 and 338,134.25 is: 466,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,614.16 : 861,967.83 = 338,134.25 : x
  2. Step 2: Convert to fraction form
    624,614.16/861,967.83 = 338,134.25/x
  3. Step 3: Cross multiply
    624,614.16x = 861,967.83 × 338,134.25
  4. Step 4: Simplify right side
    624,614.16x = 291,460,841,411.34
  5. Step 5: Solve for x
    x = 291,460,841,411.34/624,614.16
  6. Step 6: Final answer
    x = 466,625.41

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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.