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Finding the Fourth Proportional to 274,648.84, 411,640.58 and 116,545.14

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Solution

The fourth proportional to 274,648.84, 411,640.58 and 116,545.14 is: 174,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,648.84 : 411,640.58 = 116,545.14 : x
  2. Step 2: Convert to fraction form
    274,648.84/411,640.58 = 116,545.14/x
  3. Step 3: Cross multiply
    274,648.84x = 411,640.58 × 116,545.14
  4. Step 4: Simplify right side
    274,648.84x = 47,974,709,025.78
  5. Step 5: Solve for x
    x = 47,974,709,025.78/274,648.84
  6. Step 6: Final answer
    x = 174,676.54

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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.