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Finding the Fourth Proportional to 1,152.38, 1,727.36 and 502.94

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Solution

The fourth proportional to 1,152.38, 1,727.36 and 502.94 is: 753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.38 : 1,727.36 = 502.94 : x
  2. Step 2: Convert to fraction form
    1,152.38/1,727.36 = 502.94/x
  3. Step 3: Cross multiply
    1,152.38x = 1,727.36 × 502.94
  4. Step 4: Simplify right side
    1,152.38x = 868,758.44
  5. Step 5: Solve for x
    x = 868,758.44/1,152.38
  6. Step 6: Final answer
    x = 753.88

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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.