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Finding the Fourth Proportional to 454,993.72, 682,909.44 and 230,510.32

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Solution

The fourth proportional to 454,993.72, 682,909.44 and 230,510.32 is: 345,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,993.72 : 682,909.44 = 230,510.32 : x
  2. Step 2: Convert to fraction form
    454,993.72/682,909.44 = 230,510.32/x
  3. Step 3: Cross multiply
    454,993.72x = 682,909.44 × 230,510.32
  4. Step 4: Simplify right side
    454,993.72x = 157,417,673,545.42
  5. Step 5: Solve for x
    x = 157,417,673,545.42/454,993.72
  6. Step 6: Final answer
    x = 345,977.68

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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.