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Finding the Fourth Proportional to 716.52, 1,074.50 and 370.22

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Solution

The fourth proportional to 716.52, 1,074.50 and 370.22 is: 555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.52 : 1,074.50 = 370.22 : x
  2. Step 2: Convert to fraction form
    716.52/1,074.50 = 370.22/x
  3. Step 3: Cross multiply
    716.52x = 1,074.50 × 370.22
  4. Step 4: Simplify right side
    716.52x = 397,801.39
  5. Step 5: Solve for x
    x = 397,801.39/716.52
  6. Step 6: Final answer
    x = 555.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.