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Finding the Fourth Proportional to 338,719.76, 467,471.76 and 195,518.24

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Solution

The fourth proportional to 338,719.76, 467,471.76 and 195,518.24 is: 269,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,719.76 : 467,471.76 = 195,518.24 : x
  2. Step 2: Convert to fraction form
    338,719.76/467,471.76 = 195,518.24/x
  3. Step 3: Cross multiply
    338,719.76x = 467,471.76 × 195,518.24
  4. Step 4: Simplify right side
    338,719.76x = 91,399,255,764.90
  5. Step 5: Solve for x
    x = 91,399,255,764.90/338,719.76
  6. Step 6: Final answer
    x = 269,837.39

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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.