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Finding the Fourth Proportional to 482,088, 665,211.60 and 267,228

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Solution

The fourth proportional to 482,088, 665,211.60 and 267,228 is: 368,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,088 : 665,211.60 = 267,228 : x
  2. Step 2: Convert to fraction form
    482,088/665,211.60 = 267,228/x
  3. Step 3: Cross multiply
    482,088x = 665,211.60 × 267,228
  4. Step 4: Simplify right side
    482,088x = 177,763,165,444.80
  5. Step 5: Solve for x
    x = 177,763,165,444.80/482,088
  6. Step 6: Final answer
    x = 368,735.93

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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.