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Finding the Fourth Proportional to 584,874.40, 878,233.20 and 336,042.40

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Solution

The fourth proportional to 584,874.40, 878,233.20 and 336,042.40 is: 504,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,874.40 : 878,233.20 = 336,042.40 : x
  2. Step 2: Convert to fraction form
    584,874.40/878,233.20 = 336,042.40/x
  3. Step 3: Cross multiply
    584,874.40x = 878,233.20 × 336,042.40
  4. Step 4: Simplify right side
    584,874.40x = 295,123,592,287.68
  5. Step 5: Solve for x
    x = 295,123,592,287.68/584,874.40
  6. Step 6: Final answer
    x = 504,593.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.