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Finding the Fourth Proportional to 344,521.53, 516,856.82 and 104,615.73

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Solution

The fourth proportional to 344,521.53, 516,856.82 and 104,615.73 is: 156,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,521.53 : 516,856.82 = 104,615.73 : x
  2. Step 2: Convert to fraction form
    344,521.53/516,856.82 = 104,615.73/x
  3. Step 3: Cross multiply
    344,521.53x = 516,856.82 × 104,615.73
  4. Step 4: Simplify right side
    344,521.53x = 54,071,353,006.70
  5. Step 5: Solve for x
    x = 54,071,353,006.70/344,521.53
  6. Step 6: Final answer
    x = 156,946.22

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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.