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Finding the Fourth Proportional to 454,718.88, 682,131.06 and 151,140.24

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Solution

The fourth proportional to 454,718.88, 682,131.06 and 151,140.24 is: 226,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,718.88 : 682,131.06 = 151,140.24 : x
  2. Step 2: Convert to fraction form
    454,718.88/682,131.06 = 151,140.24/x
  3. Step 3: Cross multiply
    454,718.88x = 682,131.06 × 151,140.24
  4. Step 4: Simplify right side
    454,718.88x = 103,097,452,119.85
  5. Step 5: Solve for x
    x = 103,097,452,119.85/454,718.88
  6. Step 6: Final answer
    x = 226,727.89

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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.