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Finding the Fourth Proportional to 361,998.82, 543,000.05 and 148,882.96

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Solution

The fourth proportional to 361,998.82, 543,000.05 and 148,882.96 is: 223,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,998.82 : 543,000.05 = 148,882.96 : x
  2. Step 2: Convert to fraction form
    361,998.82/543,000.05 = 148,882.96/x
  3. Step 3: Cross multiply
    361,998.82x = 543,000.05 × 148,882.96
  4. Step 4: Simplify right side
    361,998.82x = 80,843,456,054.26
  5. Step 5: Solve for x
    x = 80,843,456,054.26/361,998.82
  6. Step 6: Final answer
    x = 223,325.19

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1.5x scale

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.