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Finding the Fourth Proportional to 369,791.84, 554,771.28 and 117,087.68

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Solution

The fourth proportional to 369,791.84, 554,771.28 and 117,087.68 is: 175,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,791.84 : 554,771.28 = 117,087.68 : x
  2. Step 2: Convert to fraction form
    369,791.84/554,771.28 = 117,087.68/x
  3. Step 3: Cross multiply
    369,791.84x = 554,771.28 × 117,087.68
  4. Step 4: Simplify right side
    369,791.84x = 64,956,882,105.83
  5. Step 5: Solve for x
    x = 64,956,882,105.83/369,791.84
  6. Step 6: Final answer
    x = 175,657.97

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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.