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Finding the Fourth Proportional to 384,184.80, 576,350.64 and 147,508.56

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Solution

The fourth proportional to 384,184.80, 576,350.64 and 147,508.56 is: 221,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,184.80 : 576,350.64 = 147,508.56 : x
  2. Step 2: Convert to fraction form
    384,184.80/576,350.64 = 147,508.56/x
  3. Step 3: Cross multiply
    384,184.80x = 576,350.64 × 147,508.56
  4. Step 4: Simplify right side
    384,184.80x = 85,016,652,961.48
  5. Step 5: Solve for x
    x = 85,016,652,961.48/384,184.80
  6. Step 6: Final answer
    x = 221,291.04

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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.