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Finding the Fourth Proportional to 605,806.70, 836,013.21 and 333,874.58

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Solution

The fourth proportional to 605,806.70, 836,013.21 and 333,874.58 is: 460,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,806.70 : 836,013.21 = 333,874.58 : x
  2. Step 2: Convert to fraction form
    605,806.70/836,013.21 = 333,874.58/x
  3. Step 3: Cross multiply
    605,806.70x = 836,013.21 × 333,874.58
  4. Step 4: Simplify right side
    605,806.70x = 279,123,559,363.20
  5. Step 5: Solve for x
    x = 279,123,559,363.20/605,806.70
  6. Step 6: Final answer
    x = 460,746.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.