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Finding the Fourth Proportional to 338,406.70, 467,050.98 and 195,138.76

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Solution

The fourth proportional to 338,406.70, 467,050.98 and 195,138.76 is: 269,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,406.70 : 467,050.98 = 195,138.76 : x
  2. Step 2: Convert to fraction form
    338,406.70/467,050.98 = 195,138.76/x
  3. Step 3: Cross multiply
    338,406.70x = 467,050.98 × 195,138.76
  4. Step 4: Simplify right side
    338,406.70x = 91,139,749,093.98
  5. Step 5: Solve for x
    x = 91,139,749,093.98/338,406.70
  6. Step 6: Final answer
    x = 269,320.17

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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.