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Finding the Fourth Proportional to 624,346.86, 861,598.71 and 337,866.96

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Solution

The fourth proportional to 624,346.86, 861,598.71 and 337,866.96 is: 466,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,346.86 : 861,598.71 = 337,866.96 : x
  2. Step 2: Convert to fraction form
    624,346.86/861,598.71 = 337,866.96/x
  3. Step 3: Cross multiply
    624,346.86x = 861,598.71 × 337,866.96
  4. Step 4: Simplify right side
    624,346.86x = 291,105,736,887.62
  5. Step 5: Solve for x
    x = 291,105,736,887.62/624,346.86
  6. Step 6: Final answer
    x = 466,256.43

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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.