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Finding the Fourth Proportional to 534,851.28, 801,987.14 and 234,980.77

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Solution

The fourth proportional to 534,851.28, 801,987.14 and 234,980.77 is: 352,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,851.28 : 801,987.14 = 234,980.77 : x
  2. Step 2: Convert to fraction form
    534,851.28/801,987.14 = 234,980.77/x
  3. Step 3: Cross multiply
    534,851.28x = 801,987.14 × 234,980.77
  4. Step 4: Simplify right side
    534,851.28x = 188,451,555,687.30
  5. Step 5: Solve for x
    x = 188,451,555,687.30/534,851.28
  6. Step 6: Final answer
    x = 352,343.84

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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.