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Finding the Fourth Proportional to 272,040.20, 408,060.30 and 241,713.80

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Solution

The fourth proportional to 272,040.20, 408,060.30 and 241,713.80 is: 362,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,040.20 : 408,060.30 = 241,713.80 : x
  2. Step 2: Convert to fraction form
    272,040.20/408,060.30 = 241,713.80/x
  3. Step 3: Cross multiply
    272,040.20x = 408,060.30 × 241,713.80
  4. Step 4: Simplify right side
    272,040.20x = 98,633,805,742.14
  5. Step 5: Solve for x
    x = 98,633,805,742.14/272,040.20
  6. Step 6: Final answer
    x = 362,570.70

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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.