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Finding the Fourth Proportional to 447,561.59, 617,647.92 and 243,625.73

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Solution

The fourth proportional to 447,561.59, 617,647.92 and 243,625.73 is: 336,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,561.59 : 617,647.92 = 243,625.73 : x
  2. Step 2: Convert to fraction form
    447,561.59/617,647.92 = 243,625.73/x
  3. Step 3: Cross multiply
    447,561.59x = 617,647.92 × 243,625.73
  4. Step 4: Simplify right side
    447,561.59x = 150,474,925,392.98
  5. Step 5: Solve for x
    x = 150,474,925,392.98/447,561.59
  6. Step 6: Final answer
    x = 336,210.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.