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Finding the Fourth Proportional to 1,627.92, 2,442.17 and 532.60

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Solution

The fourth proportional to 1,627.92, 2,442.17 and 532.60 is: 798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.92 : 2,442.17 = 532.60 : x
  2. Step 2: Convert to fraction form
    1,627.92/2,442.17 = 532.60/x
  3. Step 3: Cross multiply
    1,627.92x = 2,442.17 × 532.60
  4. Step 4: Simplify right side
    1,627.92x = 1,300,699.74
  5. Step 5: Solve for x
    x = 1,300,699.74/1,627.92
  6. Step 6: Final answer
    x = 798.99

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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.