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Finding the Fourth Proportional to 586,601.80, 879,546.30 and 231,206.20

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Solution

The fourth proportional to 586,601.80, 879,546.30 and 231,206.20 is: 346,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,601.80 : 879,546.30 = 231,206.20 : x
  2. Step 2: Convert to fraction form
    586,601.80/879,546.30 = 231,206.20/x
  3. Step 3: Cross multiply
    586,601.80x = 879,546.30 × 231,206.20
  4. Step 4: Simplify right side
    586,601.80x = 203,356,557,747.06
  5. Step 5: Solve for x
    x = 203,356,557,747.06/586,601.80
  6. Step 6: Final answer
    x = 346,668.83

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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.