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Finding the Fourth Proportional to 480,698.52, 721,046.86 and 181,246.28

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Solution

The fourth proportional to 480,698.52, 721,046.86 and 181,246.28 is: 271,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,698.52 : 721,046.86 = 181,246.28 : x
  2. Step 2: Convert to fraction form
    480,698.52/721,046.86 = 181,246.28/x
  3. Step 3: Cross multiply
    480,698.52x = 721,046.86 × 181,246.28
  4. Step 4: Simplify right side
    480,698.52x = 130,687,061,080.68
  5. Step 5: Solve for x
    x = 130,687,061,080.68/480,698.52
  6. Step 6: Final answer
    x = 271,869.07

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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.