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Finding the Fourth Proportional to 360,107.79, 496,935.33 and 198,959.39

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Solution

The fourth proportional to 360,107.79, 496,935.33 and 198,959.39 is: 274,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.79 : 496,935.33 = 198,959.39 : x
  2. Step 2: Convert to fraction form
    360,107.79/496,935.33 = 198,959.39/x
  3. Step 3: Cross multiply
    360,107.79x = 496,935.33 × 198,959.39
  4. Step 4: Simplify right side
    360,107.79x = 98,869,947,641.57
  5. Step 5: Solve for x
    x = 98,869,947,641.57/360,107.79
  6. Step 6: Final answer
    x = 274,556.54

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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.