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Finding the Fourth Proportional to 272,808.79, 408,514.47 and 227,718.03

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Solution

The fourth proportional to 272,808.79, 408,514.47 and 227,718.03 is: 340,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,808.79 : 408,514.47 = 227,718.03 : x
  2. Step 2: Convert to fraction form
    272,808.79/408,514.47 = 227,718.03/x
  3. Step 3: Cross multiply
    272,808.79x = 408,514.47 × 227,718.03
  4. Step 4: Simplify right side
    272,808.79x = 93,026,109,480.95
  5. Step 5: Solve for x
    x = 93,026,109,480.95/272,808.79
  6. Step 6: Final answer
    x = 340,993.82

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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.