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Finding the Fourth Proportional to 952.16, 1,426.86 and 404.04

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Solution

The fourth proportional to 952.16, 1,426.86 and 404.04 is: 605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.16 : 1,426.86 = 404.04 : x
  2. Step 2: Convert to fraction form
    952.16/1,426.86 = 404.04/x
  3. Step 3: Cross multiply
    952.16x = 1,426.86 × 404.04
  4. Step 4: Simplify right side
    952.16x = 576,508.51
  5. Step 5: Solve for x
    x = 576,508.51/952.16
  6. Step 6: Final answer
    x = 605.47

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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.