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Finding the Fourth Proportional to 624,427.56, 861,712.56 and 337,947.57

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Solution

The fourth proportional to 624,427.56, 861,712.56 and 337,947.57 is: 466,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,427.56 : 861,712.56 = 337,947.57 : x
  2. Step 2: Convert to fraction form
    624,427.56/861,712.56 = 337,947.57/x
  3. Step 3: Cross multiply
    624,427.56x = 861,712.56 × 337,947.57
  4. Step 4: Simplify right side
    624,427.56x = 291,213,665,690.48
  5. Step 5: Solve for x
    x = 291,213,665,690.48/624,427.56
  6. Step 6: Final answer
    x = 466,369.01

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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.