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Finding the Fourth Proportional to 471,343.83, 707,126.49 and 155,800.73

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Solution

The fourth proportional to 471,343.83, 707,126.49 and 155,800.73 is: 233,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,343.83 : 707,126.49 = 155,800.73 : x
  2. Step 2: Convert to fraction form
    471,343.83/707,126.49 = 155,800.73/x
  3. Step 3: Cross multiply
    471,343.83x = 707,126.49 × 155,800.73
  4. Step 4: Simplify right side
    471,343.83x = 110,170,819,808.71
  5. Step 5: Solve for x
    x = 110,170,819,808.71/471,343.83
  6. Step 6: Final answer
    x = 233,737.69

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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.