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Finding the Fourth Proportional to 482,368, 665,667.84 and 267,540.96

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Solution

The fourth proportional to 482,368, 665,667.84 and 267,540.96 is: 369,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,368 : 665,667.84 = 267,540.96 : x
  2. Step 2: Convert to fraction form
    482,368/665,667.84 = 267,540.96/x
  3. Step 3: Cross multiply
    482,368x = 665,667.84 × 267,540.96
  4. Step 4: Simplify right side
    482,368x = 178,093,412,954.73
  5. Step 5: Solve for x
    x = 178,093,412,954.73/482,368
  6. Step 6: Final answer
    x = 369,206.52

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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.