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Finding the Fourth Proportional to 954.97, 1,432.46 and 377.44

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Solution

The fourth proportional to 954.97, 1,432.46 and 377.44 is: 566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.97 : 1,432.46 = 377.44 : x
  2. Step 2: Convert to fraction form
    954.97/1,432.46 = 377.44/x
  3. Step 3: Cross multiply
    954.97x = 1,432.46 × 377.44
  4. Step 4: Simplify right side
    954.97x = 540,665.06
  5. Step 5: Solve for x
    x = 540,665.06/954.97
  6. Step 6: Final answer
    x = 566.16

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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.