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Finding the Fourth Proportional to 480,287.88, 720,451.26 and 180,736.92

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Solution

The fourth proportional to 480,287.88, 720,451.26 and 180,736.92 is: 271,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,287.88 : 720,451.26 = 180,736.92 : x
  2. Step 2: Convert to fraction form
    480,287.88/720,451.26 = 180,736.92/x
  3. Step 3: Cross multiply
    480,287.88x = 720,451.26 × 180,736.92
  4. Step 4: Simplify right side
    480,287.88x = 130,212,141,742.52
  5. Step 5: Solve for x
    x = 130,212,141,742.52/480,287.88
  6. Step 6: Final answer
    x = 271,112.70

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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.