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Finding the Fourth Proportional to 506,793.78, 761,174.82 and 373,146.21

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Solution

The fourth proportional to 506,793.78, 761,174.82 and 373,146.21 is: 560,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,793.78 : 761,174.82 = 373,146.21 : x
  2. Step 2: Convert to fraction form
    506,793.78/761,174.82 = 373,146.21/x
  3. Step 3: Cross multiply
    506,793.78x = 761,174.82 × 373,146.21
  4. Step 4: Simplify right side
    506,793.78x = 284,029,499,230.43
  5. Step 5: Solve for x
    x = 284,029,499,230.43/506,793.78
  6. Step 6: Final answer
    x = 560,443.93

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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.