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Finding the Fourth Proportional to 532.48, 798.32 and 185.67

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Solution

The fourth proportional to 532.48, 798.32 and 185.67 is: 278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.48 : 798.32 = 185.67 : x
  2. Step 2: Convert to fraction form
    532.48/798.32 = 185.67/x
  3. Step 3: Cross multiply
    532.48x = 798.32 × 185.67
  4. Step 4: Simplify right side
    532.48x = 148,219.15
  5. Step 5: Solve for x
    x = 148,219.15/532.48
  6. Step 6: Final answer
    x = 278.36

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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.