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Finding the Fourth Proportional to 444,728.16, 613,725.12 and 243,524.16

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Solution

The fourth proportional to 444,728.16, 613,725.12 and 243,524.16 is: 336,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,728.16 : 613,725.12 = 243,524.16 : x
  2. Step 2: Convert to fraction form
    444,728.16/613,725.12 = 243,524.16/x
  3. Step 3: Cross multiply
    444,728.16x = 613,725.12 × 243,524.16
  4. Step 4: Simplify right side
    444,728.16x = 149,456,894,318.90
  5. Step 5: Solve for x
    x = 149,456,894,318.90/444,728.16
  6. Step 6: Final answer
    x = 336,063.48

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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.