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Finding the Fourth Proportional to 532.59, 798.56 and 207.57

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Solution

The fourth proportional to 532.59, 798.56 and 207.57 is: 311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.59 : 798.56 = 207.57 : x
  2. Step 2: Convert to fraction form
    532.59/798.56 = 207.57/x
  3. Step 3: Cross multiply
    532.59x = 798.56 × 207.57
  4. Step 4: Simplify right side
    532.59x = 165,757.10
  5. Step 5: Solve for x
    x = 165,757.10/532.59
  6. Step 6: Final answer
    x = 311.23

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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.