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Finding the Fourth Proportional to 279,353.92, 419,028.66 and 185,006.32

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Solution

The fourth proportional to 279,353.92, 419,028.66 and 185,006.32 is: 277,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,353.92 : 419,028.66 = 185,006.32 : x
  2. Step 2: Convert to fraction form
    279,353.92/419,028.66 = 185,006.32/x
  3. Step 3: Cross multiply
    279,353.92x = 419,028.66 × 185,006.32
  4. Step 4: Simplify right side
    279,353.92x = 77,522,950,361.13
  5. Step 5: Solve for x
    x = 77,522,950,361.13/279,353.92
  6. Step 6: Final answer
    x = 277,508.01

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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.