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Finding the Fourth Proportional to 297,029.10, 445,543.65 and 171,057.90

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Solution

The fourth proportional to 297,029.10, 445,543.65 and 171,057.90 is: 256,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,029.10 : 445,543.65 = 171,057.90 : x
  2. Step 2: Convert to fraction form
    297,029.10/445,543.65 = 171,057.90/x
  3. Step 3: Cross multiply
    297,029.10x = 445,543.65 × 171,057.90
  4. Step 4: Simplify right side
    297,029.10x = 76,213,761,127.34
  5. Step 5: Solve for x
    x = 76,213,761,127.34/297,029.10
  6. Step 6: Final answer
    x = 256,586.85

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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.