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Finding the Fourth Proportional to 435,912.84, 601,446.87 and 254,599.61

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Solution

The fourth proportional to 435,912.84, 601,446.87 and 254,599.61 is: 351,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,912.84 : 601,446.87 = 254,599.61 : x
  2. Step 2: Convert to fraction form
    435,912.84/601,446.87 = 254,599.61/x
  3. Step 3: Cross multiply
    435,912.84x = 601,446.87 × 254,599.61
  4. Step 4: Simplify right side
    435,912.84x = 153,128,135,530.49
  5. Step 5: Solve for x
    x = 153,128,135,530.49/435,912.84
  6. Step 6: Final answer
    x = 351,281.54

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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.