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Finding the Fourth Proportional to 732.01, 1,010.10 and 452.20

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Solution

The fourth proportional to 732.01, 1,010.10 and 452.20 is: 623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.01 : 1,010.10 = 452.20 : x
  2. Step 2: Convert to fraction form
    732.01/1,010.10 = 452.20/x
  3. Step 3: Cross multiply
    732.01x = 1,010.10 × 452.20
  4. Step 4: Simplify right side
    732.01x = 456,767.22
  5. Step 5: Solve for x
    x = 456,767.22/732.01
  6. Step 6: Final answer
    x = 623.99

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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.