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Finding the Fourth Proportional to 451,640.67, 676,870.44 and 185,089.11

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Solution

The fourth proportional to 451,640.67, 676,870.44 and 185,089.11 is: 277,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,640.67 : 676,870.44 = 185,089.11 : x
  2. Step 2: Convert to fraction form
    451,640.67/676,870.44 = 185,089.11/x
  3. Step 3: Cross multiply
    451,640.67x = 676,870.44 × 185,089.11
  4. Step 4: Simplify right side
    451,640.67x = 125,281,347,324.91
  5. Step 5: Solve for x
    x = 125,281,347,324.91/451,640.67
  6. Step 6: Final answer
    x = 277,391.64

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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.