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Finding the Fourth Proportional to 675,658.90, 1,013,645.94 and 195,896.68

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Solution

The fourth proportional to 675,658.90, 1,013,645.94 and 195,896.68 is: 293,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,658.90 : 1,013,645.94 = 195,896.68 : x
  2. Step 2: Convert to fraction form
    675,658.90/1,013,645.94 = 195,896.68/x
  3. Step 3: Cross multiply
    675,658.90x = 1,013,645.94 × 195,896.68
  4. Step 4: Simplify right side
    675,658.90x = 198,569,874,341.48
  5. Step 5: Solve for x
    x = 198,569,874,341.48/675,658.90
  6. Step 6: Final answer
    x = 293,890.71

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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.