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Finding the Fourth Proportional to 487,600.80, 731,471.10 and 150,670.83

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Solution

The fourth proportional to 487,600.80, 731,471.10 and 150,670.83 is: 226,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,600.80 : 731,471.10 = 150,670.83 : x
  2. Step 2: Convert to fraction form
    487,600.80/731,471.10 = 150,670.83/x
  3. Step 3: Cross multiply
    487,600.80x = 731,471.10 × 150,670.83
  4. Step 4: Simplify right side
    487,600.80x = 110,211,357,758.01
  5. Step 5: Solve for x
    x = 110,211,357,758.01/487,600.80
  6. Step 6: Final answer
    x = 226,027.84

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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.