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Finding the Fourth Proportional to 296,865.64, 445,304.94 and 178,635.88

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Solution

The fourth proportional to 296,865.64, 445,304.94 and 178,635.88 is: 267,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,865.64 : 445,304.94 = 178,635.88 : x
  2. Step 2: Convert to fraction form
    296,865.64/445,304.94 = 178,635.88/x
  3. Step 3: Cross multiply
    296,865.64x = 445,304.94 × 178,635.88
  4. Step 4: Simplify right side
    296,865.64x = 79,547,439,825.25
  5. Step 5: Solve for x
    x = 79,547,439,825.25/296,865.64
  6. Step 6: Final answer
    x = 267,957.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.