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Finding the Fourth Proportional to 624,429.44, 861,715.16 and 337,949.45

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Solution

The fourth proportional to 624,429.44, 861,715.16 and 337,949.45 is: 466,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,429.44 : 861,715.16 = 337,949.45 : x
  2. Step 2: Convert to fraction form
    624,429.44/861,715.16 = 337,949.45/x
  3. Step 3: Cross multiply
    624,429.44x = 861,715.16 × 337,949.45
  4. Step 4: Simplify right side
    624,429.44x = 291,216,158,380.34
  5. Step 5: Solve for x
    x = 291,216,158,380.34/624,429.44
  6. Step 6: Final answer
    x = 466,371.61

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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.