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Finding the Fourth Proportional to 444,961.39, 613,877.22 and 328,953.42

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Solution

The fourth proportional to 444,961.39, 613,877.22 and 328,953.42 is: 453,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,961.39 : 613,877.22 = 328,953.42 : x
  2. Step 2: Convert to fraction form
    444,961.39/613,877.22 = 328,953.42/x
  3. Step 3: Cross multiply
    444,961.39x = 613,877.22 × 328,953.42
  4. Step 4: Simplify right side
    444,961.39x = 201,937,010,979.09
  5. Step 5: Solve for x
    x = 201,937,010,979.09/444,961.39
  6. Step 6: Final answer
    x = 453,830.41

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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.