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Finding the Fourth Proportional to 262,052.80, 393,079.20 and 227,060.80

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Solution

The fourth proportional to 262,052.80, 393,079.20 and 227,060.80 is: 340,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,052.80 : 393,079.20 = 227,060.80 : x
  2. Step 2: Convert to fraction form
    262,052.80/393,079.20 = 227,060.80/x
  3. Step 3: Cross multiply
    262,052.80x = 393,079.20 × 227,060.80
  4. Step 4: Simplify right side
    262,052.80x = 89,252,877,615.36
  5. Step 5: Solve for x
    x = 89,252,877,615.36/262,052.80
  6. Step 6: Final answer
    x = 340,591.20

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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.