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Finding the Fourth Proportional to 338,581.44, 507,979.44 and 203,793.12

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Solution

The fourth proportional to 338,581.44, 507,979.44 and 203,793.12 is: 305,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,581.44 : 507,979.44 = 203,793.12 : x
  2. Step 2: Convert to fraction form
    338,581.44/507,979.44 = 203,793.12/x
  3. Step 3: Cross multiply
    338,581.44x = 507,979.44 × 203,793.12
  4. Step 4: Simplify right side
    338,581.44x = 103,522,714,973.45
  5. Step 5: Solve for x
    x = 103,522,714,973.45/338,581.44
  6. Step 6: Final answer
    x = 305,754.25

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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.