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Finding the Fourth Proportional to 291,534.67, 437,337.04 and 275,591.44

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Solution

The fourth proportional to 291,534.67, 437,337.04 and 275,591.44 is: 413,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.67 : 437,337.04 = 275,591.44 : x
  2. Step 2: Convert to fraction form
    291,534.67/437,337.04 = 275,591.44/x
  3. Step 3: Cross multiply
    291,534.67x = 437,337.04 × 275,591.44
  4. Step 4: Simplify right side
    291,534.67x = 120,526,344,618.94
  5. Step 5: Solve for x
    x = 120,526,344,618.94/291,534.67
  6. Step 6: Final answer
    x = 413,420.28

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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.