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Finding the Fourth Proportional to 344,974.84, 516,888.12 and 120,211.39

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Solution

The fourth proportional to 344,974.84, 516,888.12 and 120,211.39 is: 180,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,974.84 : 516,888.12 = 120,211.39 : x
  2. Step 2: Convert to fraction form
    344,974.84/516,888.12 = 120,211.39/x
  3. Step 3: Cross multiply
    344,974.84x = 516,888.12 × 120,211.39
  4. Step 4: Simplify right side
    344,974.84x = 62,135,839,379.69
  5. Step 5: Solve for x
    x = 62,135,839,379.69/344,974.84
  6. Step 6: Final answer
    x = 180,117.02

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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.