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Finding the Fourth Proportional to 532.58, 798.27 and 185.81

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Solution

The fourth proportional to 532.58, 798.27 and 185.81 is: 278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.58 : 798.27 = 185.81 : x
  2. Step 2: Convert to fraction form
    532.58/798.27 = 185.81/x
  3. Step 3: Cross multiply
    532.58x = 798.27 × 185.81
  4. Step 4: Simplify right side
    532.58x = 148,322.56
  5. Step 5: Solve for x
    x = 148,322.56/532.58
  6. Step 6: Final answer
    x = 278.50

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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.