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Finding the Fourth Proportional to 373,080.20, 559,620.30 and 268,881.80

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Solution

The fourth proportional to 373,080.20, 559,620.30 and 268,881.80 is: 403,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,080.20 : 559,620.30 = 268,881.80 : x
  2. Step 2: Convert to fraction form
    373,080.20/559,620.30 = 268,881.80/x
  3. Step 3: Cross multiply
    373,080.20x = 559,620.30 × 268,881.80
  4. Step 4: Simplify right side
    373,080.20x = 150,471,713,580.54
  5. Step 5: Solve for x
    x = 150,471,713,580.54/373,080.20
  6. Step 6: Final answer
    x = 403,322.70

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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.