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Finding the Fourth Proportional to 954.56, 1,432.92 and 377.84

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Solution

The fourth proportional to 954.56, 1,432.92 and 377.84 is: 567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.56 : 1,432.92 = 377.84 : x
  2. Step 2: Convert to fraction form
    954.56/1,432.92 = 377.84/x
  3. Step 3: Cross multiply
    954.56x = 1,432.92 × 377.84
  4. Step 4: Simplify right side
    954.56x = 541,414.49
  5. Step 5: Solve for x
    x = 541,414.49/954.56
  6. Step 6: Final answer
    x = 567.19

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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.