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Finding the Fourth Proportional to 666,432.97, 997,576.36 and 362,066.05

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Solution

The fourth proportional to 666,432.97, 997,576.36 and 362,066.05 is: 541,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,432.97 : 997,576.36 = 362,066.05 : x
  2. Step 2: Convert to fraction form
    666,432.97/997,576.36 = 362,066.05/x
  3. Step 3: Cross multiply
    666,432.97x = 997,576.36 × 362,066.05
  4. Step 4: Simplify right side
    666,432.97x = 361,188,532,580.38
  5. Step 5: Solve for x
    x = 361,188,532,580.38/666,432.97
  6. Step 6: Final answer
    x = 541,972.79

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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.