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Finding the Fourth Proportional to 540,974.75, 810,934.80 and 225,521.87

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Solution

The fourth proportional to 540,974.75, 810,934.80 and 225,521.87 is: 338,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,974.75 : 810,934.80 = 225,521.87 : x
  2. Step 2: Convert to fraction form
    540,974.75/810,934.80 = 225,521.87/x
  3. Step 3: Cross multiply
    540,974.75x = 810,934.80 × 225,521.87
  4. Step 4: Simplify right side
    540,974.75x = 182,883,532,544.08
  5. Step 5: Solve for x
    x = 182,883,532,544.08/540,974.75
  6. Step 6: Final answer
    x = 338,062.97

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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.