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Finding the Fourth Proportional to 406,590.60, 610,104.60 and 169,957.20

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Solution

The fourth proportional to 406,590.60, 610,104.60 and 169,957.20 is: 255,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,590.60 : 610,104.60 = 169,957.20 : x
  2. Step 2: Convert to fraction form
    406,590.60/610,104.60 = 169,957.20/x
  3. Step 3: Cross multiply
    406,590.60x = 610,104.60 × 169,957.20
  4. Step 4: Simplify right side
    406,590.60x = 103,691,669,523.12
  5. Step 5: Solve for x
    x = 103,691,669,523.12/406,590.60
  6. Step 6: Final answer
    x = 255,027.22

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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.