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Finding the Fourth Proportional to 575,098.70, 862,000.05 and 275,722.70

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Solution

The fourth proportional to 575,098.70, 862,000.05 and 275,722.70 is: 413,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,098.70 : 862,000.05 = 275,722.70 : x
  2. Step 2: Convert to fraction form
    575,098.70/862,000.05 = 275,722.70/x
  3. Step 3: Cross multiply
    575,098.70x = 862,000.05 × 275,722.70
  4. Step 4: Simplify right side
    575,098.70x = 237,672,981,186.14
  5. Step 5: Solve for x
    x = 237,672,981,186.14/575,098.70
  6. Step 6: Final answer
    x = 413,273.38

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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.