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Finding the Fourth Proportional to 334,723.32, 461,387.34 and 328,087.80

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Solution

The fourth proportional to 334,723.32, 461,387.34 and 328,087.80 is: 452,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,723.32 : 461,387.34 = 328,087.80 : x
  2. Step 2: Convert to fraction form
    334,723.32/461,387.34 = 328,087.80/x
  3. Step 3: Cross multiply
    334,723.32x = 461,387.34 × 328,087.80
  4. Step 4: Simplify right side
    334,723.32x = 151,375,557,328.45
  5. Step 5: Solve for x
    x = 151,375,557,328.45/334,723.32
  6. Step 6: Final answer
    x = 452,240.85

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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.