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Finding the Fourth Proportional to 583,129.43, 874,635.00 and 156,609.82

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Solution

The fourth proportional to 583,129.43, 874,635.00 and 156,609.82 is: 234,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,129.43 : 874,635.00 = 156,609.82 : x
  2. Step 2: Convert to fraction form
    583,129.43/874,635.00 = 156,609.82/x
  3. Step 3: Cross multiply
    583,129.43x = 874,635.00 × 156,609.82
  4. Step 4: Simplify right side
    583,129.43x = 136,976,430,421.71
  5. Step 5: Solve for x
    x = 136,976,430,421.71/583,129.43
  6. Step 6: Final answer
    x = 234,898.85

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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.