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Finding the Fourth Proportional to 537,184.38, 805,868.37 and 221,468.70

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Solution

The fourth proportional to 537,184.38, 805,868.37 and 221,468.70 is: 332,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,184.38 : 805,868.37 = 221,468.70 : x
  2. Step 2: Convert to fraction form
    537,184.38/805,868.37 = 221,468.70/x
  3. Step 3: Cross multiply
    537,184.38x = 805,868.37 × 221,468.70
  4. Step 4: Simplify right side
    537,184.38x = 178,474,620,275.02
  5. Step 5: Solve for x
    x = 178,474,620,275.02/537,184.38
  6. Step 6: Final answer
    x = 332,240.90

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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.