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Finding the Fourth Proportional to 425,156.22, 586,703.43 and 231,559.52

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Solution

The fourth proportional to 425,156.22, 586,703.43 and 231,559.52 is: 319,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,156.22 : 586,703.43 = 231,559.52 : x
  2. Step 2: Convert to fraction form
    425,156.22/586,703.43 = 231,559.52/x
  3. Step 3: Cross multiply
    425,156.22x = 586,703.43 × 231,559.52
  4. Step 4: Simplify right side
    425,156.22x = 135,856,761,699.64
  5. Step 5: Solve for x
    x = 135,856,761,699.64/425,156.22
  6. Step 6: Final answer
    x = 319,545.51

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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.