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Finding the Fourth Proportional to 532.67, 798.66 and 185.85

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Solution

The fourth proportional to 532.67, 798.66 and 185.85 is: 278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.67 : 798.66 = 185.85 : x
  2. Step 2: Convert to fraction form
    532.67/798.66 = 185.85/x
  3. Step 3: Cross multiply
    532.67x = 798.66 × 185.85
  4. Step 4: Simplify right side
    532.67x = 148,430.96
  5. Step 5: Solve for x
    x = 148,430.96/532.67
  6. Step 6: Final answer
    x = 278.66

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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.