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Finding the Fourth Proportional to 1,016.66, 1,524.93 and 358.57

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Solution

The fourth proportional to 1,016.66, 1,524.93 and 358.57 is: 537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.66 : 1,524.93 = 358.57 : x
  2. Step 2: Convert to fraction form
    1,016.66/1,524.93 = 358.57/x
  3. Step 3: Cross multiply
    1,016.66x = 1,524.93 × 358.57
  4. Step 4: Simplify right side
    1,016.66x = 546,793.45
  5. Step 5: Solve for x
    x = 546,793.45/1,016.66
  6. Step 6: Final answer
    x = 537.83

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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.