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Finding the Fourth Proportional to 534,387.34, 801,506.85 and 135,003.52

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Solution

The fourth proportional to 534,387.34, 801,506.85 and 135,003.52 is: 202,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,387.34 : 801,506.85 = 135,003.52 : x
  2. Step 2: Convert to fraction form
    534,387.34/801,506.85 = 135,003.52/x
  3. Step 3: Cross multiply
    534,387.34x = 801,506.85 × 135,003.52
  4. Step 4: Simplify right side
    534,387.34x = 108,206,246,054.11
  5. Step 5: Solve for x
    x = 108,206,246,054.11/534,387.34
  6. Step 6: Final answer
    x = 202,486.54

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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.