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Finding the Fourth Proportional to 329,249.61, 454,360.86 and 193,259.52

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Solution

The fourth proportional to 329,249.61, 454,360.86 and 193,259.52 is: 266,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,249.61 : 454,360.86 = 193,259.52 : x
  2. Step 2: Convert to fraction form
    329,249.61/454,360.86 = 193,259.52/x
  3. Step 3: Cross multiply
    329,249.61x = 454,360.86 × 193,259.52
  4. Step 4: Simplify right side
    329,249.61x = 87,809,561,710.39
  5. Step 5: Solve for x
    x = 87,809,561,710.39/329,249.61
  6. Step 6: Final answer
    x = 266,696.02

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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.