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Finding the Fourth Proportional to 534,987.87, 801,979.44 and 179,753.46

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Solution

The fourth proportional to 534,987.87, 801,979.44 and 179,753.46 is: 269,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,987.87 : 801,979.44 = 179,753.46 : x
  2. Step 2: Convert to fraction form
    534,987.87/801,979.44 = 179,753.46/x
  3. Step 3: Cross multiply
    534,987.87x = 801,979.44 × 179,753.46
  4. Step 4: Simplify right side
    534,987.87x = 144,158,579,188.86
  5. Step 5: Solve for x
    x = 144,158,579,188.86/534,987.87
  6. Step 6: Final answer
    x = 269,461.40

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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.