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Finding the Fourth Proportional to 848.36, 1,272.35 and 232.13

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Solution

The fourth proportional to 848.36, 1,272.35 and 232.13 is: 348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.36 : 1,272.35 = 232.13 : x
  2. Step 2: Convert to fraction form
    848.36/1,272.35 = 232.13/x
  3. Step 3: Cross multiply
    848.36x = 1,272.35 × 232.13
  4. Step 4: Simplify right side
    848.36x = 295,343.08
  5. Step 5: Solve for x
    x = 295,343.08/848.36
  6. Step 6: Final answer
    x = 348.14

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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.