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Finding the Fourth Proportional to 472,350.03, 708,525.81 and 143,717.73

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Solution

The fourth proportional to 472,350.03, 708,525.81 and 143,717.73 is: 215,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,350.03 : 708,525.81 = 143,717.73 : x
  2. Step 2: Convert to fraction form
    472,350.03/708,525.81 = 143,717.73/x
  3. Step 3: Cross multiply
    472,350.03x = 708,525.81 × 143,717.73
  4. Step 4: Simplify right side
    472,350.03x = 101,827,721,059.61
  5. Step 5: Solve for x
    x = 101,827,721,059.61/472,350.03
  6. Step 6: Final answer
    x = 215,576.83

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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.