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Finding the Fourth Proportional to 364,810.80, 547,216.20 and 252,617.70

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Solution

The fourth proportional to 364,810.80, 547,216.20 and 252,617.70 is: 378,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,810.80 : 547,216.20 = 252,617.70 : x
  2. Step 2: Convert to fraction form
    364,810.80/547,216.20 = 252,617.70/x
  3. Step 3: Cross multiply
    364,810.80x = 547,216.20 × 252,617.70
  4. Step 4: Simplify right side
    364,810.80x = 138,236,497,846.74
  5. Step 5: Solve for x
    x = 138,236,497,846.74/364,810.80
  6. Step 6: Final answer
    x = 378,926.55

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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.