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Finding the Fourth Proportional to 338,850.72, 508,334.40 and 181,036.80

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Solution

The fourth proportional to 338,850.72, 508,334.40 and 181,036.80 is: 271,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,850.72 : 508,334.40 = 181,036.80 : x
  2. Step 2: Convert to fraction form
    338,850.72/508,334.40 = 181,036.80/x
  3. Step 3: Cross multiply
    338,850.72x = 508,334.40 × 181,036.80
  4. Step 4: Simplify right side
    338,850.72x = 92,027,233,105.92
  5. Step 5: Solve for x
    x = 92,027,233,105.92/338,850.72
  6. Step 6: Final answer
    x = 271,586.36

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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.