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Finding the Fourth Proportional to 956, 1,319.44 and 541.92

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Solution

The fourth proportional to 956, 1,319.44 and 541.92 is: 747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    956 : 1,319.44 = 541.92 : x
  2. Step 2: Convert to fraction form
    956/1,319.44 = 541.92/x
  3. Step 3: Cross multiply
    956x = 1,319.44 × 541.92
  4. Step 4: Simplify right side
    956x = 715,030.92
  5. Step 5: Solve for x
    x = 715,030.92/956
  6. Step 6: Final answer
    x = 747.94

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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.