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Finding the Fourth Proportional to 951.26, 1,312.62 and 601.88

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Solution

The fourth proportional to 951.26, 1,312.62 and 601.88 is: 830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.26 : 1,312.62 = 601.88 : x
  2. Step 2: Convert to fraction form
    951.26/1,312.62 = 601.88/x
  3. Step 3: Cross multiply
    951.26x = 1,312.62 × 601.88
  4. Step 4: Simplify right side
    951.26x = 790,039.73
  5. Step 5: Solve for x
    x = 790,039.73/951.26
  6. Step 6: Final answer
    x = 830.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.