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Finding the Fourth Proportional to 952.04, 1,313.86 and 718.76

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Solution

The fourth proportional to 952.04, 1,313.86 and 718.76 is: 991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.04 : 1,313.86 = 718.76 : x
  2. Step 2: Convert to fraction form
    952.04/1,313.86 = 718.76/x
  3. Step 3: Cross multiply
    952.04x = 1,313.86 × 718.76
  4. Step 4: Simplify right side
    952.04x = 944,350.01
  5. Step 5: Solve for x
    x = 944,350.01/952.04
  6. Step 6: Final answer
    x = 991.92

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Double scale
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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.