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Finding the Fourth Proportional to 522,758.11, 783,821.46 and 234,516.97

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Solution

The fourth proportional to 522,758.11, 783,821.46 and 234,516.97 is: 351,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,758.11 : 783,821.46 = 234,516.97 : x
  2. Step 2: Convert to fraction form
    522,758.11/783,821.46 = 234,516.97/x
  3. Step 3: Cross multiply
    522,758.11x = 783,821.46 × 234,516.97
  4. Step 4: Simplify right side
    522,758.11x = 183,819,433,820.18
  5. Step 5: Solve for x
    x = 183,819,433,820.18/522,758.11
  6. Step 6: Final answer
    x = 351,633.83

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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.