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Finding the Fourth Proportional to 539,383.32, 809,435.82 and 223,840.20

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Solution

The fourth proportional to 539,383.32, 809,435.82 and 223,840.20 is: 335,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,383.32 : 809,435.82 = 223,840.20 : x
  2. Step 2: Convert to fraction form
    539,383.32/809,435.82 = 223,840.20/x
  3. Step 3: Cross multiply
    539,383.32x = 809,435.82 × 223,840.20
  4. Step 4: Simplify right side
    539,383.32x = 181,184,275,835.96
  5. Step 5: Solve for x
    x = 181,184,275,835.96/539,383.32
  6. Step 6: Final answer
    x = 335,910.05

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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.