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Finding the Fourth Proportional to 956.48, 1,319.96 and 536.92

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Solution

The fourth proportional to 956.48, 1,319.96 and 536.92 is: 740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.48 : 1,319.96 = 536.92 : x
  2. Step 2: Convert to fraction form
    956.48/1,319.96 = 536.92/x
  3. Step 3: Cross multiply
    956.48x = 1,319.96 × 536.92
  4. Step 4: Simplify right side
    956.48x = 708,713.54
  5. Step 5: Solve for x
    x = 708,713.54/956.48
  6. Step 6: Final answer
    x = 740.96

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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.