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Finding the Fourth Proportional to 447,799.76, 617,954.78 and 243,853.10

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Solution

The fourth proportional to 447,799.76, 617,954.78 and 243,853.10 is: 336,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,799.76 : 617,954.78 = 243,853.10 : x
  2. Step 2: Convert to fraction form
    447,799.76/617,954.78 = 243,853.10/x
  3. Step 3: Cross multiply
    447,799.76x = 617,954.78 × 243,853.10
  4. Step 4: Simplify right side
    447,799.76x = 150,690,188,762.82
  5. Step 5: Solve for x
    x = 150,690,188,762.82/447,799.76
  6. Step 6: Final answer
    x = 336,512.44

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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.