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Finding the Fourth Proportional to 576,701.68, 865,485.46 and 217,227.18

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Solution

The fourth proportional to 576,701.68, 865,485.46 and 217,227.18 is: 326,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,701.68 : 865,485.46 = 217,227.18 : x
  2. Step 2: Convert to fraction form
    576,701.68/865,485.46 = 217,227.18/x
  3. Step 3: Cross multiply
    576,701.68x = 865,485.46 × 217,227.18
  4. Step 4: Simplify right side
    576,701.68x = 188,006,965,806.80
  5. Step 5: Solve for x
    x = 188,006,965,806.80/576,701.68
  6. Step 6: Final answer
    x = 326,003.85

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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.