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Finding the Fourth Proportional to 338,340.18, 466,698.27 and 217,638.82

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Solution

The fourth proportional to 338,340.18, 466,698.27 and 217,638.82 is: 300,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,340.18 : 466,698.27 = 217,638.82 : x
  2. Step 2: Convert to fraction form
    338,340.18/466,698.27 = 217,638.82/x
  3. Step 3: Cross multiply
    338,340.18x = 466,698.27 × 217,638.82
  4. Step 4: Simplify right side
    338,340.18x = 101,571,660,778.84
  5. Step 5: Solve for x
    x = 101,571,660,778.84/338,340.18
  6. Step 6: Final answer
    x = 300,205.73

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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.