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Finding the Fourth Proportional to 910.58, 1,366.44 and 362.68

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Solution

The fourth proportional to 910.58, 1,366.44 and 362.68 is: 544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.58 : 1,366.44 = 362.68 : x
  2. Step 2: Convert to fraction form
    910.58/1,366.44 = 362.68/x
  3. Step 3: Cross multiply
    910.58x = 1,366.44 × 362.68
  4. Step 4: Simplify right side
    910.58x = 495,575.68
  5. Step 5: Solve for x
    x = 495,575.68/910.58
  6. Step 6: Final answer
    x = 544.24

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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.