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Finding the Fourth Proportional to 954.81, 1,432 and 460.96

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Solution

The fourth proportional to 954.81, 1,432 and 460.96 is: 691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.81 : 1,432 = 460.96 : x
  2. Step 2: Convert to fraction form
    954.81/1,432 = 460.96/x
  3. Step 3: Cross multiply
    954.81x = 1,432 × 460.96
  4. Step 4: Simplify right side
    954.81x = 660,094.72
  5. Step 5: Solve for x
    x = 660,094.72/954.81
  6. Step 6: Final answer
    x = 691.34

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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.