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Finding the Fourth Proportional to 425,040.91, 586,553.55 and 234,052.75

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Solution

The fourth proportional to 425,040.91, 586,553.55 and 234,052.75 is: 322,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,040.91 : 586,553.55 = 234,052.75 : x
  2. Step 2: Convert to fraction form
    425,040.91/586,553.55 = 234,052.75/x
  3. Step 3: Cross multiply
    425,040.91x = 586,553.55 × 234,052.75
  4. Step 4: Simplify right side
    425,040.91x = 137,284,471,399.76
  5. Step 5: Solve for x
    x = 137,284,471,399.76/425,040.91
  6. Step 6: Final answer
    x = 322,991.19

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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.