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Finding the Fourth Proportional to 396,594.61, 547,097.82 and 253,203.95

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Solution

The fourth proportional to 396,594.61, 547,097.82 and 253,203.95 is: 349,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,594.61 : 547,097.82 = 253,203.95 : x
  2. Step 2: Convert to fraction form
    396,594.61/547,097.82 = 253,203.95/x
  3. Step 3: Cross multiply
    396,594.61x = 547,097.82 × 253,203.95
  4. Step 4: Simplify right side
    396,594.61x = 138,527,329,060.39
  5. Step 5: Solve for x
    x = 138,527,329,060.39/396,594.61
  6. Step 6: Final answer
    x = 349,292.01

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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.