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Finding the Fourth Proportional to 534,572.28, 801,690.75 and 174,661.11

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Solution

The fourth proportional to 534,572.28, 801,690.75 and 174,661.11 is: 261,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,572.28 : 801,690.75 = 174,661.11 : x
  2. Step 2: Convert to fraction form
    534,572.28/801,690.75 = 174,661.11/x
  3. Step 3: Cross multiply
    534,572.28x = 801,690.75 × 174,661.11
  4. Step 4: Simplify right side
    534,572.28x = 140,024,196,271.73
  5. Step 5: Solve for x
    x = 140,024,196,271.73/534,572.28
  6. Step 6: Final answer
    x = 261,936.88

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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.