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Finding the Fourth Proportional to 374,521.62, 561,519.99 and 137,833.56

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Solution

The fourth proportional to 374,521.62, 561,519.99 and 137,833.56 is: 206,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,521.62 : 561,519.99 = 137,833.56 : x
  2. Step 2: Convert to fraction form
    374,521.62/561,519.99 = 137,833.56/x
  3. Step 3: Cross multiply
    374,521.62x = 561,519.99 × 137,833.56
  4. Step 4: Simplify right side
    374,521.62x = 77,396,299,232.86
  5. Step 5: Solve for x
    x = 77,396,299,232.86/374,521.62
  6. Step 6: Final answer
    x = 206,653.76

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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.