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Finding the Fourth Proportional to 558,773.70, 837,854.37 and 221,472.69

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Solution

The fourth proportional to 558,773.70, 837,854.37 and 221,472.69 is: 332,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,773.70 : 837,854.37 = 221,472.69 : x
  2. Step 2: Convert to fraction form
    558,773.70/837,854.37 = 221,472.69/x
  3. Step 3: Cross multiply
    558,773.70x = 837,854.37 × 221,472.69
  4. Step 4: Simplify right side
    558,773.70x = 185,561,861,152.16
  5. Step 5: Solve for x
    x = 185,561,861,152.16/558,773.70
  6. Step 6: Final answer
    x = 332,087.68

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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.