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Finding the Fourth Proportional to 264,301.87, 396,459.63 and 84,387.14

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Solution

The fourth proportional to 264,301.87, 396,459.63 and 84,387.14 is: 126,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,301.87 : 396,459.63 = 84,387.14 : x
  2. Step 2: Convert to fraction form
    264,301.87/396,459.63 = 84,387.14/x
  3. Step 3: Cross multiply
    264,301.87x = 396,459.63 × 84,387.14
  4. Step 4: Simplify right side
    264,301.87x = 33,456,094,564.62
  5. Step 5: Solve for x
    x = 33,456,094,564.62/264,301.87
  6. Step 6: Final answer
    x = 126,582.89

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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.