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Finding the Fourth Proportional to 667,993.62, 1,001,992.46 and 162,554.68

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Solution

The fourth proportional to 667,993.62, 1,001,992.46 and 162,554.68 is: 243,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,993.62 : 1,001,992.46 = 162,554.68 : x
  2. Step 2: Convert to fraction form
    667,993.62/1,001,992.46 = 162,554.68/x
  3. Step 3: Cross multiply
    667,993.62x = 1,001,992.46 × 162,554.68
  4. Step 4: Simplify right side
    667,993.62x = 162,878,563,697.71
  5. Step 5: Solve for x
    x = 162,878,563,697.71/667,993.62
  6. Step 6: Final answer
    x = 243,832.51

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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.