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Finding the Fourth Proportional to 841.41, 1,262.53 and 532.41

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Solution

The fourth proportional to 841.41, 1,262.53 and 532.41 is: 798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.41 : 1,262.53 = 532.41 : x
  2. Step 2: Convert to fraction form
    841.41/1,262.53 = 532.41/x
  3. Step 3: Cross multiply
    841.41x = 1,262.53 × 532.41
  4. Step 4: Simplify right side
    841.41x = 672,183.60
  5. Step 5: Solve for x
    x = 672,183.60/841.41
  6. Step 6: Final answer
    x = 798.88

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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.