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Finding the Fourth Proportional to 269,778.95, 404,667.71 and 253,336.83

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Solution

The fourth proportional to 269,778.95, 404,667.71 and 253,336.83 is: 380,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,778.95 : 404,667.71 = 253,336.83 : x
  2. Step 2: Convert to fraction form
    269,778.95/404,667.71 = 253,336.83/x
  3. Step 3: Cross multiply
    269,778.95x = 404,667.71 × 253,336.83
  4. Step 4: Simplify right side
    269,778.95x = 102,517,234,854.76
  5. Step 5: Solve for x
    x = 102,517,234,854.76/269,778.95
  6. Step 6: Final answer
    x = 380,004.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.