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Finding the Fourth Proportional to 848.60, 1,272.86 and 232.35

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Solution

The fourth proportional to 848.60, 1,272.86 and 232.35 is: 348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.60 : 1,272.86 = 232.35 : x
  2. Step 2: Convert to fraction form
    848.60/1,272.86 = 232.35/x
  3. Step 3: Cross multiply
    848.60x = 1,272.86 × 232.35
  4. Step 4: Simplify right side
    848.60x = 295,749.02
  5. Step 5: Solve for x
    x = 295,749.02/848.60
  6. Step 6: Final answer
    x = 348.51

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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.