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Finding the Fourth Proportional to 582,139.67, 873,320.51 and 203,168.65

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Solution

The fourth proportional to 582,139.67, 873,320.51 and 203,168.65 is: 304,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,139.67 : 873,320.51 = 203,168.65 : x
  2. Step 2: Convert to fraction form
    582,139.67/873,320.51 = 203,168.65/x
  3. Step 3: Cross multiply
    582,139.67x = 873,320.51 × 203,168.65
  4. Step 4: Simplify right side
    582,139.67x = 177,431,350,633.58
  5. Step 5: Solve for x
    x = 177,431,350,633.58/582,139.67
  6. Step 6: Final answer
    x = 304,791.72

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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.