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Finding the Fourth Proportional to 406,001.80, 609,019.98 and 125,524.36

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Solution

The fourth proportional to 406,001.80, 609,019.98 and 125,524.36 is: 188,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,001.80 : 609,019.98 = 125,524.36 : x
  2. Step 2: Convert to fraction form
    406,001.80/609,019.98 = 125,524.36/x
  3. Step 3: Cross multiply
    406,001.80x = 609,019.98 × 125,524.36
  4. Step 4: Simplify right side
    406,001.80x = 76,446,843,216.71
  5. Step 5: Solve for x
    x = 76,446,843,216.71/406,001.80
  6. Step 6: Final answer
    x = 188,291.88

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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.