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Finding the Fourth Proportional to 360,948.05, 541,239.77 and 211,233.32

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Solution

The fourth proportional to 360,948.05, 541,239.77 and 211,233.32 is: 316,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,948.05 : 541,239.77 = 211,233.32 : x
  2. Step 2: Convert to fraction form
    360,948.05/541,239.77 = 211,233.32/x
  3. Step 3: Cross multiply
    360,948.05x = 541,239.77 × 211,233.32
  4. Step 4: Simplify right side
    360,948.05x = 114,327,873,384.67
  5. Step 5: Solve for x
    x = 114,327,873,384.67/360,948.05
  6. Step 6: Final answer
    x = 316,743.29

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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.