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Finding the Fourth Proportional to 866.14, 1,195.28 and 473.16

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Solution

The fourth proportional to 866.14, 1,195.28 and 473.16 is: 652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.14 : 1,195.28 = 473.16 : x
  2. Step 2: Convert to fraction form
    866.14/1,195.28 = 473.16/x
  3. Step 3: Cross multiply
    866.14x = 1,195.28 × 473.16
  4. Step 4: Simplify right side
    866.14x = 565,558.68
  5. Step 5: Solve for x
    x = 565,558.68/866.14
  6. Step 6: Final answer
    x = 652.96

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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.