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Finding the Fourth Proportional to 1,154.88, 1,732.56 and 506.16

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Solution

The fourth proportional to 1,154.88, 1,732.56 and 506.16 is: 759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.88 : 1,732.56 = 506.16 : x
  2. Step 2: Convert to fraction form
    1,154.88/1,732.56 = 506.16/x
  3. Step 3: Cross multiply
    1,154.88x = 1,732.56 × 506.16
  4. Step 4: Simplify right side
    1,154.88x = 876,952.57
  5. Step 5: Solve for x
    x = 876,952.57/1,154.88
  6. Step 6: Final answer
    x = 759.35

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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.