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Finding the Fourth Proportional to 586,166.20, 879,540.90 and 231,191.80

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Solution

The fourth proportional to 586,166.20, 879,540.90 and 231,191.80 is: 346,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,166.20 : 879,540.90 = 231,191.80 : x
  2. Step 2: Convert to fraction form
    586,166.20/879,540.90 = 231,191.80/x
  3. Step 3: Cross multiply
    586,166.20x = 879,540.90 × 231,191.80
  4. Step 4: Simplify right side
    586,166.20x = 203,342,643,844.62
  5. Step 5: Solve for x
    x = 203,342,643,844.62/586,166.20
  6. Step 6: Final answer
    x = 346,902.71

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1.5x scale

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.