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Finding the Fourth Proportional to 328,682.97, 453,603.24 and 185,390.73

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Solution

The fourth proportional to 328,682.97, 453,603.24 and 185,390.73 is: 255,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,682.97 : 453,603.24 = 185,390.73 : x
  2. Step 2: Convert to fraction form
    328,682.97/453,603.24 = 185,390.73/x
  3. Step 3: Cross multiply
    328,682.97x = 453,603.24 × 185,390.73
  4. Step 4: Simplify right side
    328,682.97x = 84,093,835,793.97
  5. Step 5: Solve for x
    x = 84,093,835,793.97/328,682.97
  6. Step 6: Final answer
    x = 255,850.91

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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.