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Finding the Fourth Proportional to 975.92, 1,463.56 and 282.52

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Solution

The fourth proportional to 975.92, 1,463.56 and 282.52 is: 423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.92 : 1,463.56 = 282.52 : x
  2. Step 2: Convert to fraction form
    975.92/1,463.56 = 282.52/x
  3. Step 3: Cross multiply
    975.92x = 1,463.56 × 282.52
  4. Step 4: Simplify right side
    975.92x = 413,484.97
  5. Step 5: Solve for x
    x = 413,484.97/975.92
  6. Step 6: Final answer
    x = 423.69

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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.