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Finding the Fourth Proportional to 444,775.98, 613,540.17 and 281,381.77

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Solution

The fourth proportional to 444,775.98, 613,540.17 and 281,381.77 is: 388,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,775.98 : 613,540.17 = 281,381.77 : x
  2. Step 2: Convert to fraction form
    444,775.98/613,540.17 = 281,381.77/x
  3. Step 3: Cross multiply
    444,775.98x = 613,540.17 × 281,381.77
  4. Step 4: Simplify right side
    444,775.98x = 172,639,019,767.63
  5. Step 5: Solve for x
    x = 172,639,019,767.63/444,775.98
  6. Step 6: Final answer
    x = 388,148.25

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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.