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Finding the Fourth Proportional to 365,369.68, 547,722.36 and 140,586.76

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Solution

The fourth proportional to 365,369.68, 547,722.36 and 140,586.76 is: 210,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,369.68 : 547,722.36 = 140,586.76 : x
  2. Step 2: Convert to fraction form
    365,369.68/547,722.36 = 140,586.76/x
  3. Step 3: Cross multiply
    365,369.68x = 547,722.36 × 140,586.76
  4. Step 4: Simplify right side
    365,369.68x = 77,002,511,971.95
  5. Step 5: Solve for x
    x = 77,002,511,971.95/365,369.68
  6. Step 6: Final answer
    x = 210,752.33

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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.