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Finding the Fourth Proportional to 532.68, 798.98 and 185.93

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Solution

The fourth proportional to 532.68, 798.98 and 185.93 is: 278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.68 : 798.98 = 185.93 : x
  2. Step 2: Convert to fraction form
    532.68/798.98 = 185.93/x
  3. Step 3: Cross multiply
    532.68x = 798.98 × 185.93
  4. Step 4: Simplify right side
    532.68x = 148,549.43
  5. Step 5: Solve for x
    x = 148,549.43/532.68
  6. Step 6: Final answer
    x = 278.87

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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.