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Finding the Fourth Proportional to 480,727.13, 720,582.22 and 181,078.06

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Solution

The fourth proportional to 480,727.13, 720,582.22 and 181,078.06 is: 271,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,727.13 : 720,582.22 = 181,078.06 : x
  2. Step 2: Convert to fraction form
    480,727.13/720,582.22 = 181,078.06/x
  3. Step 3: Cross multiply
    480,727.13x = 720,582.22 × 181,078.06
  4. Step 4: Simplify right side
    480,727.13x = 130,481,629,562.70
  5. Step 5: Solve for x
    x = 130,481,629,562.70/480,727.13
  6. Step 6: Final answer
    x = 271,425.56

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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.