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Finding the Fourth Proportional to 539,385.44, 808,839.85 and 202,189.58

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Solution

The fourth proportional to 539,385.44, 808,839.85 and 202,189.58 is: 303,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,385.44 : 808,839.85 = 202,189.58 : x
  2. Step 2: Convert to fraction form
    539,385.44/808,839.85 = 202,189.58/x
  3. Step 3: Cross multiply
    539,385.44x = 808,839.85 × 202,189.58
  4. Step 4: Simplify right side
    539,385.44x = 163,538,985,514.56
  5. Step 5: Solve for x
    x = 163,538,985,514.56/539,385.44
  6. Step 6: Final answer
    x = 303,195.03

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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.