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Finding the Fourth Proportional to 406,346.92, 609,617.70 and 169,557.88

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Solution

The fourth proportional to 406,346.92, 609,617.70 and 169,557.88 is: 254,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,346.92 : 609,617.70 = 169,557.88 : x
  2. Step 2: Convert to fraction form
    406,346.92/609,617.70 = 169,557.88/x
  3. Step 3: Cross multiply
    406,346.92x = 609,617.70 × 169,557.88
  4. Step 4: Simplify right side
    406,346.92x = 103,365,484,822.48
  5. Step 5: Solve for x
    x = 103,365,484,822.48/406,346.92
  6. Step 6: Final answer
    x = 254,377.43

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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.