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Finding the Fourth Proportional to 322,261.80, 444,721.77 and 179,018.16

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Solution

The fourth proportional to 322,261.80, 444,721.77 and 179,018.16 is: 247,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,261.80 : 444,721.77 = 179,018.16 : x
  2. Step 2: Convert to fraction form
    322,261.80/444,721.77 = 179,018.16/x
  3. Step 3: Cross multiply
    322,261.80x = 444,721.77 × 179,018.16
  4. Step 4: Simplify right side
    322,261.80x = 79,613,272,977.34
  5. Step 5: Solve for x
    x = 79,613,272,977.34/322,261.80
  6. Step 6: Final answer
    x = 247,045.33

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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.