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Finding the Fourth Proportional to 474,372.65, 710,418.80 and 271,353.24

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Solution

The fourth proportional to 474,372.65, 710,418.80 and 271,353.24 is: 406,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,372.65 : 710,418.80 = 271,353.24 : x
  2. Step 2: Convert to fraction form
    474,372.65/710,418.80 = 271,353.24/x
  3. Step 3: Cross multiply
    474,372.65x = 710,418.80 × 271,353.24
  4. Step 4: Simplify right side
    474,372.65x = 192,774,443,815.30
  5. Step 5: Solve for x
    x = 192,774,443,815.30/474,372.65
  6. Step 6: Final answer
    x = 406,377.65

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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.