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Finding the Fourth Proportional to 304,753.63, 420,563.11 and 183,871.56

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Solution

The fourth proportional to 304,753.63, 420,563.11 and 183,871.56 is: 253,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,753.63 : 420,563.11 = 183,871.56 : x
  2. Step 2: Convert to fraction form
    304,753.63/420,563.11 = 183,871.56/x
  3. Step 3: Cross multiply
    304,753.63x = 420,563.11 × 183,871.56
  4. Step 4: Simplify right side
    304,753.63x = 77,329,595,114.15
  5. Step 5: Solve for x
    x = 77,329,595,114.15/304,753.63
  6. Step 6: Final answer
    x = 253,744.62

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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.