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Finding the Fourth Proportional to 667,673, 1,001,510.76 and 162,234.40

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Solution

The fourth proportional to 667,673, 1,001,510.76 and 162,234.40 is: 243,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,673 : 1,001,510.76 = 162,234.40 : x
  2. Step 2: Convert to fraction form
    667,673/1,001,510.76 = 162,234.40/x
  3. Step 3: Cross multiply
    667,673x = 1,001,510.76 × 162,234.40
  4. Step 4: Simplify right side
    667,673x = 162,479,497,242.14
  5. Step 5: Solve for x
    x = 162,479,497,242.14/667,673
  6. Step 6: Final answer
    x = 243,351.91

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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.