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Finding the Fourth Proportional to 537,422.38, 806,225.37 and 221,706.70

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Solution

The fourth proportional to 537,422.38, 806,225.37 and 221,706.70 is: 332,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,422.38 : 806,225.37 = 221,706.70 : x
  2. Step 2: Convert to fraction form
    537,422.38/806,225.37 = 221,706.70/x
  3. Step 3: Cross multiply
    537,422.38x = 806,225.37 × 221,706.70
  4. Step 4: Simplify right side
    537,422.38x = 178,745,566,238.98
  5. Step 5: Solve for x
    x = 178,745,566,238.98/537,422.38
  6. Step 6: Final answer
    x = 332,597.92

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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.