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Finding the Fourth Proportional to 297,102.97, 444,522.66 and 261,279.91

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Solution

The fourth proportional to 297,102.97, 444,522.66 and 261,279.91 is: 390,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,102.97 : 444,522.66 = 261,279.91 : x
  2. Step 2: Convert to fraction form
    297,102.97/444,522.66 = 261,279.91/x
  3. Step 3: Cross multiply
    297,102.97x = 444,522.66 × 261,279.91
  4. Step 4: Simplify right side
    297,102.97x = 116,144,840,597.76
  5. Step 5: Solve for x
    x = 116,144,840,597.76/297,102.97
  6. Step 6: Final answer
    x = 390,924.54

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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.