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Finding the Fourth Proportional to 338,481.87, 467,043.74 and 217,595.45

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Solution

The fourth proportional to 338,481.87, 467,043.74 and 217,595.45 is: 300,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,481.87 : 467,043.74 = 217,595.45 : x
  2. Step 2: Convert to fraction form
    338,481.87/467,043.74 = 217,595.45/x
  3. Step 3: Cross multiply
    338,481.87x = 467,043.74 × 217,595.45
  4. Step 4: Simplify right side
    338,481.87x = 101,626,591,043.48
  5. Step 5: Solve for x
    x = 101,626,591,043.48/338,481.87
  6. Step 6: Final answer
    x = 300,242.35

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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.