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Finding the Fourth Proportional to 283,486.63, 391,144.31 and 160,952.36

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Solution

The fourth proportional to 283,486.63, 391,144.31 and 160,952.36 is: 222,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,486.63 : 391,144.31 = 160,952.36 : x
  2. Step 2: Convert to fraction form
    283,486.63/391,144.31 = 160,952.36/x
  3. Step 3: Cross multiply
    283,486.63x = 391,144.31 × 160,952.36
  4. Step 4: Simplify right side
    283,486.63x = 62,955,598,241.73
  5. Step 5: Solve for x
    x = 62,955,598,241.73/283,486.63
  6. Step 6: Final answer
    x = 222,076.08

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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.