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Finding the Fourth Proportional to 347,241.40, 520,862.10 and 169,862.20

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Solution

The fourth proportional to 347,241.40, 520,862.10 and 169,862.20 is: 254,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,241.40 : 520,862.10 = 169,862.20 : x
  2. Step 2: Convert to fraction form
    347,241.40/520,862.10 = 169,862.20/x
  3. Step 3: Cross multiply
    347,241.40x = 520,862.10 × 169,862.20
  4. Step 4: Simplify right side
    347,241.40x = 88,474,782,202.62
  5. Step 5: Solve for x
    x = 88,474,782,202.62/347,241.40
  6. Step 6: Final answer
    x = 254,793.30

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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.