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Finding the Fourth Proportional to 500,599.14, 750,891.87 and 121,522.78

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Solution

The fourth proportional to 500,599.14, 750,891.87 and 121,522.78 is: 182,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,599.14 : 750,891.87 = 121,522.78 : x
  2. Step 2: Convert to fraction form
    500,599.14/750,891.87 = 121,522.78/x
  3. Step 3: Cross multiply
    500,599.14x = 750,891.87 × 121,522.78
  4. Step 4: Simplify right side
    500,599.14x = 91,250,468,460.41
  5. Step 5: Solve for x
    x = 91,250,468,460.41/500,599.14
  6. Step 6: Final answer
    x = 182,282.51

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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.