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Finding the Fourth Proportional to 486,717.76, 730,534.55 and 247,003.73

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Solution

The fourth proportional to 486,717.76, 730,534.55 and 247,003.73 is: 370,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,717.76 : 730,534.55 = 247,003.73 : x
  2. Step 2: Convert to fraction form
    486,717.76/730,534.55 = 247,003.73/x
  3. Step 3: Cross multiply
    486,717.76x = 730,534.55 × 247,003.73
  4. Step 4: Simplify right side
    486,717.76x = 180,444,756,595.69
  5. Step 5: Solve for x
    x = 180,444,756,595.69/486,717.76
  6. Step 6: Final answer
    x = 370,737.97

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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.