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Finding the Fourth Proportional to 534,356.93, 801,535.40 and 134,998.85

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Solution

The fourth proportional to 534,356.93, 801,535.40 and 134,998.85 is: 202,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,356.93 : 801,535.40 = 134,998.85 : x
  2. Step 2: Convert to fraction form
    534,356.93/801,535.40 = 134,998.85/x
  3. Step 3: Cross multiply
    534,356.93x = 801,535.40 × 134,998.85
  4. Step 4: Simplify right side
    534,356.93x = 108,206,352,551.62
  5. Step 5: Solve for x
    x = 108,206,352,551.62/534,356.93
  6. Step 6: Final answer
    x = 202,498.27

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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.