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Finding the Fourth Proportional to 481,055.39, 663,926.84 and 277,067.07

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Solution

The fourth proportional to 481,055.39, 663,926.84 and 277,067.07 is: 382,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,055.39 : 663,926.84 = 277,067.07 : x
  2. Step 2: Convert to fraction form
    481,055.39/663,926.84 = 277,067.07/x
  3. Step 3: Cross multiply
    481,055.39x = 663,926.84 × 277,067.07
  4. Step 4: Simplify right side
    481,055.39x = 183,952,262,867.82
  5. Step 5: Solve for x
    x = 183,952,262,867.82/481,055.39
  6. Step 6: Final answer
    x = 382,393.11

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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.