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Finding the Fourth Proportional to 732.42, 1,012.50 and 701.82

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Solution

The fourth proportional to 732.42, 1,012.50 and 701.82 is: 970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.42 : 1,012.50 = 701.82 : x
  2. Step 2: Convert to fraction form
    732.42/1,012.50 = 701.82/x
  3. Step 3: Cross multiply
    732.42x = 1,012.50 × 701.82
  4. Step 4: Simplify right side
    732.42x = 710,592.75
  5. Step 5: Solve for x
    x = 710,592.75/732.42
  6. Step 6: Final answer
    x = 970.20

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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.