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Finding the Fourth Proportional to 574,367.45, 862,083.11 and 290,257.92

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Solution

The fourth proportional to 574,367.45, 862,083.11 and 290,257.92 is: 435,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,367.45 : 862,083.11 = 290,257.92 : x
  2. Step 2: Convert to fraction form
    574,367.45/862,083.11 = 290,257.92/x
  3. Step 3: Cross multiply
    574,367.45x = 862,083.11 × 290,257.92
  4. Step 4: Simplify right side
    574,367.45x = 250,226,448,924.44
  5. Step 5: Solve for x
    x = 250,226,448,924.44/574,367.45
  6. Step 6: Final answer
    x = 435,655.70

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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.