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Finding the Fourth Proportional to 532.48, 798.46 and 185.76

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Solution

The fourth proportional to 532.48, 798.46 and 185.76 is: 278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.48 : 798.46 = 185.76 : x
  2. Step 2: Convert to fraction form
    532.48/798.46 = 185.76/x
  3. Step 3: Cross multiply
    532.48x = 798.46 × 185.76
  4. Step 4: Simplify right side
    532.48x = 148,321.93
  5. Step 5: Solve for x
    x = 148,321.93/532.48
  6. Step 6: Final answer
    x = 278.55

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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.