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Finding the Fourth Proportional to 534,689.87, 801,772.23 and 264,505.82

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Solution

The fourth proportional to 534,689.87, 801,772.23 and 264,505.82 is: 396,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,689.87 : 801,772.23 = 264,505.82 : x
  2. Step 2: Convert to fraction form
    534,689.87/801,772.23 = 264,505.82/x
  3. Step 3: Cross multiply
    534,689.87x = 801,772.23 × 264,505.82
  4. Step 4: Simplify right side
    534,689.87x = 212,073,421,149.38
  5. Step 5: Solve for x
    x = 212,073,421,149.38/534,689.87
  6. Step 6: Final answer
    x = 396,628.84

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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.