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Finding the Fourth Proportional to 954.48, 1,432.20 and 467.40

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Solution

The fourth proportional to 954.48, 1,432.20 and 467.40 is: 701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.48 : 1,432.20 = 467.40 : x
  2. Step 2: Convert to fraction form
    954.48/1,432.20 = 467.40/x
  3. Step 3: Cross multiply
    954.48x = 1,432.20 × 467.40
  4. Step 4: Simplify right side
    954.48x = 669,410.28
  5. Step 5: Solve for x
    x = 669,410.28/954.48
  6. Step 6: Final answer
    x = 701.34

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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.