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Finding the Fourth Proportional to 586,418.20, 879,627.30 and 192,434.20

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Solution

The fourth proportional to 586,418.20, 879,627.30 and 192,434.20 is: 288,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,418.20 : 879,627.30 = 192,434.20 : x
  2. Step 2: Convert to fraction form
    586,418.20/879,627.30 = 192,434.20/x
  3. Step 3: Cross multiply
    586,418.20x = 879,627.30 × 192,434.20
  4. Step 4: Simplify right side
    586,418.20x = 169,270,375,773.66
  5. Step 5: Solve for x
    x = 169,270,375,773.66/586,418.20
  6. Step 6: Final answer
    x = 288,651.30

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Similar ratio
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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.