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Finding the Fourth Proportional to 624,174.72, 861,360.72 and 337,694.88

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Solution

The fourth proportional to 624,174.72, 861,360.72 and 337,694.88 is: 466,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,174.72 : 861,360.72 = 337,694.88 : x
  2. Step 2: Convert to fraction form
    624,174.72/861,360.72 = 337,694.88/x
  3. Step 3: Cross multiply
    624,174.72x = 861,360.72 × 337,694.88
  4. Step 4: Simplify right side
    624,174.72x = 290,877,104,977.11
  5. Step 5: Solve for x
    x = 290,877,104,977.11/624,174.72
  6. Step 6: Final answer
    x = 466,018.72

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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.