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Finding the Fourth Proportional to 338,321.08, 466,845.42 and 187,380.28

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Solution

The fourth proportional to 338,321.08, 466,845.42 and 187,380.28 is: 258,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,321.08 : 466,845.42 = 187,380.28 : x
  2. Step 2: Convert to fraction form
    338,321.08/466,845.42 = 187,380.28/x
  3. Step 3: Cross multiply
    338,321.08x = 466,845.42 × 187,380.28
  4. Step 4: Simplify right side
    338,321.08x = 87,477,625,516.32
  5. Step 5: Solve for x
    x = 87,477,625,516.32/338,321.08
  6. Step 6: Final answer
    x = 258,563.92

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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.