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Finding the Fourth Proportional to 367,907.11, 552,922.86 and 342,364.97

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Solution

The fourth proportional to 367,907.11, 552,922.86 and 342,364.97 is: 514,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,907.11 : 552,922.86 = 342,364.97 : x
  2. Step 2: Convert to fraction form
    367,907.11/552,922.86 = 342,364.97/x
  3. Step 3: Cross multiply
    367,907.11x = 552,922.86 × 342,364.97
  4. Step 4: Simplify right side
    367,907.11x = 189,301,414,755.69
  5. Step 5: Solve for x
    x = 189,301,414,755.69/367,907.11
  6. Step 6: Final answer
    x = 514,535.90

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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.