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Finding the Fourth Proportional to 406,635.01, 561,157.72 and 225,350.01

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Solution

The fourth proportional to 406,635.01, 561,157.72 and 225,350.01 is: 310,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,635.01 : 561,157.72 = 225,350.01 : x
  2. Step 2: Convert to fraction form
    406,635.01/561,157.72 = 225,350.01/x
  3. Step 3: Cross multiply
    406,635.01x = 561,157.72 × 225,350.01
  4. Step 4: Simplify right side
    406,635.01x = 126,456,897,250.20
  5. Step 5: Solve for x
    x = 126,456,897,250.20/406,635.01
  6. Step 6: Final answer
    x = 310,983.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.