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Finding the Fourth Proportional to 576,382.59, 862,802.24 and 491,352.03

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Solution

The fourth proportional to 576,382.59, 862,802.24 and 491,352.03 is: 735,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,382.59 : 862,802.24 = 491,352.03 : x
  2. Step 2: Convert to fraction form
    576,382.59/862,802.24 = 491,352.03/x
  3. Step 3: Cross multiply
    576,382.59x = 862,802.24 × 491,352.03
  4. Step 4: Simplify right side
    576,382.59x = 423,939,629,655.79
  5. Step 5: Solve for x
    x = 423,939,629,655.79/576,382.59
  6. Step 6: Final answer
    x = 735,517.76

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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.