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Finding the Fourth Proportional to 588,151.65, 811,647.60 and 326,546.90

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Solution

The fourth proportional to 588,151.65, 811,647.60 and 326,546.90 is: 450,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,151.65 : 811,647.60 = 326,546.90 : x
  2. Step 2: Convert to fraction form
    588,151.65/811,647.60 = 326,546.90/x
  3. Step 3: Cross multiply
    588,151.65x = 811,647.60 × 326,546.90
  4. Step 4: Simplify right side
    588,151.65x = 265,041,007,672.44
  5. Step 5: Solve for x
    x = 265,041,007,672.44/588,151.65
  6. Step 6: Final answer
    x = 450,633.79

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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.