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Finding the Fourth Proportional to 672.36, 927.66 and 532.50

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Solution

The fourth proportional to 672.36, 927.66 and 532.50 is: 734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.36 : 927.66 = 532.50 : x
  2. Step 2: Convert to fraction form
    672.36/927.66 = 532.50/x
  3. Step 3: Cross multiply
    672.36x = 927.66 × 532.50
  4. Step 4: Simplify right side
    672.36x = 493,978.95
  5. Step 5: Solve for x
    x = 493,978.95/672.36
  6. Step 6: Final answer
    x = 734.69

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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.