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Finding the Fourth Proportional to 406,260.80, 609,447.84 and 169,549.28

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Solution

The fourth proportional to 406,260.80, 609,447.84 and 169,549.28 is: 254,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,260.80 : 609,447.84 = 169,549.28 : x
  2. Step 2: Convert to fraction form
    406,260.80/609,447.84 = 169,549.28/x
  3. Step 3: Cross multiply
    406,260.80x = 609,447.84 × 169,549.28
  4. Step 4: Simplify right side
    406,260.80x = 103,331,442,469.56
  5. Step 5: Solve for x
    x = 103,331,442,469.56/406,260.80
  6. Step 6: Final answer
    x = 254,347.56

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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.