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Finding the Fourth Proportional to 848.66, 1,272.96 and 232.34

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Solution

The fourth proportional to 848.66, 1,272.96 and 232.34 is: 348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.66 : 1,272.96 = 232.34 : x
  2. Step 2: Convert to fraction form
    848.66/1,272.96 = 232.34/x
  3. Step 3: Cross multiply
    848.66x = 1,272.96 × 232.34
  4. Step 4: Simplify right side
    848.66x = 295,753.16
  5. Step 5: Solve for x
    x = 295,753.16/848.66
  6. Step 6: Final answer
    x = 348.50

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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.