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Finding the Fourth Proportional to 847.35, 1,264.88 and 732.53

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Solution

The fourth proportional to 847.35, 1,264.88 and 732.53 is: 1,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.35 : 1,264.88 = 732.53 : x
  2. Step 2: Convert to fraction form
    847.35/1,264.88 = 732.53/x
  3. Step 3: Cross multiply
    847.35x = 1,264.88 × 732.53
  4. Step 4: Simplify right side
    847.35x = 926,552.56
  5. Step 5: Solve for x
    x = 926,552.56/847.35
  6. Step 6: Final answer
    x = 1,093.47

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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.