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Finding the Fourth Proportional to 925.47, 1,276.29 and 594.18

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Solution

The fourth proportional to 925.47, 1,276.29 and 594.18 is: 819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.47 : 1,276.29 = 594.18 : x
  2. Step 2: Convert to fraction form
    925.47/1,276.29 = 594.18/x
  3. Step 3: Cross multiply
    925.47x = 1,276.29 × 594.18
  4. Step 4: Simplify right side
    925.47x = 758,345.99
  5. Step 5: Solve for x
    x = 758,345.99/925.47
  6. Step 6: Final answer
    x = 819.42

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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.