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Finding the Fourth Proportional to 574,891.10, 862,336.65 and 565,559.90

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Solution

The fourth proportional to 574,891.10, 862,336.65 and 565,559.90 is: 848,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,891.10 : 862,336.65 = 565,559.90 : x
  2. Step 2: Convert to fraction form
    574,891.10/862,336.65 = 565,559.90/x
  3. Step 3: Cross multiply
    574,891.10x = 862,336.65 × 565,559.90
  4. Step 4: Simplify right side
    574,891.10x = 487,703,029,540.34
  5. Step 5: Solve for x
    x = 487,703,029,540.34/574,891.10
  6. Step 6: Final answer
    x = 848,339.85

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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.