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Finding the Fourth Proportional to 408,299.27, 563,484.56 and 244,961.93

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Solution

The fourth proportional to 408,299.27, 563,484.56 and 244,961.93 is: 338,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,299.27 : 563,484.56 = 244,961.93 : x
  2. Step 2: Convert to fraction form
    408,299.27/563,484.56 = 244,961.93/x
  3. Step 3: Cross multiply
    408,299.27x = 563,484.56 × 244,961.93
  4. Step 4: Simplify right side
    408,299.27x = 138,032,261,300.57
  5. Step 5: Solve for x
    x = 138,032,261,300.57/408,299.27
  6. Step 6: Final answer
    x = 338,066.40

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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.