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Finding the Fourth Proportional to 388,249.12, 535,701.41 and 244,926.10

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Solution

The fourth proportional to 388,249.12, 535,701.41 and 244,926.10 is: 337,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,249.12 : 535,701.41 = 244,926.10 : x
  2. Step 2: Convert to fraction form
    388,249.12/535,701.41 = 244,926.10/x
  3. Step 3: Cross multiply
    388,249.12x = 535,701.41 × 244,926.10
  4. Step 4: Simplify right side
    388,249.12x = 131,207,257,115.80
  5. Step 5: Solve for x
    x = 131,207,257,115.80/388,249.12
  6. Step 6: Final answer
    x = 337,946.05

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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.