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Finding the Fourth Proportional to 954.72, 1,432.26 and 468

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Solution

The fourth proportional to 954.72, 1,432.26 and 468 is: 702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.72 : 1,432.26 = 468 : x
  2. Step 2: Convert to fraction form
    954.72/1,432.26 = 468/x
  3. Step 3: Cross multiply
    954.72x = 1,432.26 × 468
  4. Step 4: Simplify right side
    954.72x = 670,297.68
  5. Step 5: Solve for x
    x = 670,297.68/954.72
  6. Step 6: Final answer
    x = 702.09

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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.