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Finding the Fourth Proportional to 732.11, 1,010.21 and 452.25

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Solution

The fourth proportional to 732.11, 1,010.21 and 452.25 is: 624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.11 : 1,010.21 = 452.25 : x
  2. Step 2: Convert to fraction form
    732.11/1,010.21 = 452.25/x
  3. Step 3: Cross multiply
    732.11x = 1,010.21 × 452.25
  4. Step 4: Simplify right side
    732.11x = 456,865.21
  5. Step 5: Solve for x
    x = 456,865.21/732.11
  6. Step 6: Final answer
    x = 624.04

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1.5x scale

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.