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Finding the Fourth Proportional to 365,110.20, 547,535.70 and 252,790.20

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Solution

The fourth proportional to 365,110.20, 547,535.70 and 252,790.20 is: 379,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,110.20 : 547,535.70 = 252,790.20 : x
  2. Step 2: Convert to fraction form
    365,110.20/547,535.70 = 252,790.20/x
  3. Step 3: Cross multiply
    365,110.20x = 547,535.70 × 252,790.20
  4. Step 4: Simplify right side
    365,110.20x = 138,411,659,110.14
  5. Step 5: Solve for x
    x = 138,411,659,110.14/365,110.20
  6. Step 6: Final answer
    x = 379,095.57

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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.