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Finding the Fourth Proportional to 906.54, 1,251.45 and 592.26

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Solution

The fourth proportional to 906.54, 1,251.45 and 592.26 is: 817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.54 : 1,251.45 = 592.26 : x
  2. Step 2: Convert to fraction form
    906.54/1,251.45 = 592.26/x
  3. Step 3: Cross multiply
    906.54x = 1,251.45 × 592.26
  4. Step 4: Simplify right side
    906.54x = 741,183.78
  5. Step 5: Solve for x
    x = 741,183.78/906.54
  6. Step 6: Final answer
    x = 817.60

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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.