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Finding the Fourth Proportional to 349,248.52, 481,878.87 and 203,971.91

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Solution

The fourth proportional to 349,248.52, 481,878.87 and 203,971.91 is: 281,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,248.52 : 481,878.87 = 203,971.91 : x
  2. Step 2: Convert to fraction form
    349,248.52/481,878.87 = 203,971.91/x
  3. Step 3: Cross multiply
    349,248.52x = 481,878.87 × 203,971.91
  4. Step 4: Simplify right side
    349,248.52x = 98,289,753,502.54
  5. Step 5: Solve for x
    x = 98,289,753,502.54/349,248.52
  6. Step 6: Final answer
    x = 281,432.13

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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.