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Finding the Fourth Proportional to 618,560.10, 927,806.42 and 169,248.56

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Solution

The fourth proportional to 618,560.10, 927,806.42 and 169,248.56 is: 253,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,560.10 : 927,806.42 = 169,248.56 : x
  2. Step 2: Convert to fraction form
    618,560.10/927,806.42 = 169,248.56/x
  3. Step 3: Cross multiply
    618,560.10x = 927,806.42 × 169,248.56
  4. Step 4: Simplify right side
    618,560.10x = 157,029,896,327.84
  5. Step 5: Solve for x
    x = 157,029,896,327.84/618,560.10
  6. Step 6: Final answer
    x = 253,863.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.