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Finding the Fourth Proportional to 272,824.40, 410,111.40 and 194,481.20

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Solution

The fourth proportional to 272,824.40, 410,111.40 and 194,481.20 is: 292,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,824.40 : 410,111.40 = 194,481.20 : x
  2. Step 2: Convert to fraction form
    272,824.40/410,111.40 = 194,481.20/x
  3. Step 3: Cross multiply
    272,824.40x = 410,111.40 × 194,481.20
  4. Step 4: Simplify right side
    272,824.40x = 79,758,957,205.68
  5. Step 5: Solve for x
    x = 79,758,957,205.68/272,824.40
  6. Step 6: Final answer
    x = 292,345.40

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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.