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Finding the Fourth Proportional to 347,180.40, 520,770.60 and 169,801.20

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Solution

The fourth proportional to 347,180.40, 520,770.60 and 169,801.20 is: 254,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,180.40 : 520,770.60 = 169,801.20 : x
  2. Step 2: Convert to fraction form
    347,180.40/520,770.60 = 169,801.20/x
  3. Step 3: Cross multiply
    347,180.40x = 520,770.60 × 169,801.20
  4. Step 4: Simplify right side
    347,180.40x = 88,427,472,804.72
  5. Step 5: Solve for x
    x = 88,427,472,804.72/347,180.40
  6. Step 6: Final answer
    x = 254,701.80

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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.