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Finding the Fourth Proportional to 499,908.15, 749,707.92 and 144,948.33

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Solution

The fourth proportional to 499,908.15, 749,707.92 and 144,948.33 is: 217,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,908.15 : 749,707.92 = 144,948.33 : x
  2. Step 2: Convert to fraction form
    499,908.15/749,707.92 = 144,948.33/x
  3. Step 3: Cross multiply
    499,908.15x = 749,707.92 × 144,948.33
  4. Step 4: Simplify right side
    499,908.15x = 108,668,910,991.77
  5. Step 5: Solve for x
    x = 108,668,910,991.77/499,908.15
  6. Step 6: Final answer
    x = 217,377.75

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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.