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Finding the Fourth Proportional to 1,672.73, 2,508.63 and 502.46

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Solution

The fourth proportional to 1,672.73, 2,508.63 and 502.46 is: 753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.73 : 2,508.63 = 502.46 : x
  2. Step 2: Convert to fraction form
    1,672.73/2,508.63 = 502.46/x
  3. Step 3: Cross multiply
    1,672.73x = 2,508.63 × 502.46
  4. Step 4: Simplify right side
    1,672.73x = 1,260,473.69
  5. Step 5: Solve for x
    x = 1,260,473.69/1,672.73
  6. Step 6: Final answer
    x = 753.55

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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.