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Finding the Fourth Proportional to 954.52, 1,432 and 270.52

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Solution

The fourth proportional to 954.52, 1,432 and 270.52 is: 405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.52 : 1,432 = 270.52 : x
  2. Step 2: Convert to fraction form
    954.52/1,432 = 270.52/x
  3. Step 3: Cross multiply
    954.52x = 1,432 × 270.52
  4. Step 4: Simplify right side
    954.52x = 387,384.64
  5. Step 5: Solve for x
    x = 387,384.64/954.52
  6. Step 6: Final answer
    x = 405.84

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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.