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Finding the Fourth Proportional to 502,613.92, 753,910.50 and 165,674.80

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Solution

The fourth proportional to 502,613.92, 753,910.50 and 165,674.80 is: 248,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,613.92 : 753,910.50 = 165,674.80 : x
  2. Step 2: Convert to fraction form
    502,613.92/753,910.50 = 165,674.80/x
  3. Step 3: Cross multiply
    502,613.92x = 753,910.50 × 165,674.80
  4. Step 4: Simplify right side
    502,613.92x = 124,903,971,305.40
  5. Step 5: Solve for x
    x = 124,903,971,305.40/502,613.92
  6. Step 6: Final answer
    x = 248,508.78

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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.