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Finding the Fourth Proportional to 716.38, 1,074.48 and 595.42

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Solution

The fourth proportional to 716.38, 1,074.48 and 595.42 is: 893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.38 : 1,074.48 = 595.42 : x
  2. Step 2: Convert to fraction form
    716.38/1,074.48 = 595.42/x
  3. Step 3: Cross multiply
    716.38x = 1,074.48 × 595.42
  4. Step 4: Simplify right side
    716.38x = 639,766.88
  5. Step 5: Solve for x
    x = 639,766.88/716.38
  6. Step 6: Final answer
    x = 893.06

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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.