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Finding the Fourth Proportional to 482,838.42, 666,304.32 and 267,972.96

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Solution

The fourth proportional to 482,838.42, 666,304.32 and 267,972.96 is: 369,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,838.42 : 666,304.32 = 267,972.96 : x
  2. Step 2: Convert to fraction form
    482,838.42/666,304.32 = 267,972.96/x
  3. Step 3: Cross multiply
    482,838.42x = 666,304.32 × 267,972.96
  4. Step 4: Simplify right side
    482,838.42x = 178,551,540,891.19
  5. Step 5: Solve for x
    x = 178,551,540,891.19/482,838.42
  6. Step 6: Final answer
    x = 369,795.64

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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.