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Finding the Fourth Proportional to 334,687.76, 461,855.40 and 181,720.02

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Solution

The fourth proportional to 334,687.76, 461,855.40 and 181,720.02 is: 250,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,687.76 : 461,855.40 = 181,720.02 : x
  2. Step 2: Convert to fraction form
    334,687.76/461,855.40 = 181,720.02/x
  3. Step 3: Cross multiply
    334,687.76x = 461,855.40 × 181,720.02
  4. Step 4: Simplify right side
    334,687.76x = 83,928,373,575.62
  5. Step 5: Solve for x
    x = 83,928,373,575.62/334,687.76
  6. Step 6: Final answer
    x = 250,766.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.