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Finding the Fourth Proportional to 794.88, 1,187.33 and 532.71

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Solution

The fourth proportional to 794.88, 1,187.33 and 532.71 is: 795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.88 : 1,187.33 = 532.71 : x
  2. Step 2: Convert to fraction form
    794.88/1,187.33 = 532.71/x
  3. Step 3: Cross multiply
    794.88x = 1,187.33 × 532.71
  4. Step 4: Simplify right side
    794.88x = 632,499.90
  5. Step 5: Solve for x
    x = 632,499.90/794.88
  6. Step 6: Final answer
    x = 795.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.