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Finding the Fourth Proportional to 262,575.29, 393,830.06 and 73,049.87

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Solution

The fourth proportional to 262,575.29, 393,830.06 and 73,049.87 is: 109,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,575.29 : 393,830.06 = 73,049.87 : x
  2. Step 2: Convert to fraction form
    262,575.29/393,830.06 = 73,049.87/x
  3. Step 3: Cross multiply
    262,575.29x = 393,830.06 × 73,049.87
  4. Step 4: Simplify right side
    262,575.29x = 28,769,232,350.69
  5. Step 5: Solve for x
    x = 28,769,232,350.69/262,575.29
  6. Step 6: Final answer
    x = 109,565.65

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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.