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Finding the Fourth Proportional to 376,252.80, 563,764.80 and 323,414.40

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Solution

The fourth proportional to 376,252.80, 563,764.80 and 323,414.40 is: 484,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,252.80 : 563,764.80 = 323,414.40 : x
  2. Step 2: Convert to fraction form
    376,252.80/563,764.80 = 323,414.40/x
  3. Step 3: Cross multiply
    376,252.80x = 563,764.80 × 323,414.40
  4. Step 4: Simplify right side
    376,252.80x = 182,329,654,533.12
  5. Step 5: Solve for x
    x = 182,329,654,533.12/376,252.80
  6. Step 6: Final answer
    x = 484,593.48

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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.