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Finding the Fourth Proportional to 304,753.64, 420,563.10 and 183,871.56

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Solution

The fourth proportional to 304,753.64, 420,563.10 and 183,871.56 is: 253,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,753.64 : 420,563.10 = 183,871.56 : x
  2. Step 2: Convert to fraction form
    304,753.64/420,563.10 = 183,871.56/x
  3. Step 3: Cross multiply
    304,753.64x = 420,563.10 × 183,871.56
  4. Step 4: Simplify right side
    304,753.64x = 77,329,593,275.44
  5. Step 5: Solve for x
    x = 77,329,593,275.44/304,753.64
  6. Step 6: Final answer
    x = 253,744.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.