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Finding the Fourth Proportional to 388,249.61, 535,702.11 and 244,926.59

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Solution

The fourth proportional to 388,249.61, 535,702.11 and 244,926.59 is: 337,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,249.61 : 535,702.11 = 244,926.59 : x
  2. Step 2: Convert to fraction form
    388,249.61/535,702.11 = 244,926.59/x
  3. Step 3: Cross multiply
    388,249.61x = 535,702.11 × 244,926.59
  4. Step 4: Simplify right side
    388,249.61x = 131,207,691,058.11
  5. Step 5: Solve for x
    x = 131,207,691,058.11/388,249.61
  6. Step 6: Final answer
    x = 337,946.74

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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.