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Finding the Fourth Proportional to 222,539.67, 334,248.53 and 191,205.63

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Solution

The fourth proportional to 222,539.67, 334,248.53 and 191,205.63 is: 287,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,539.67 : 334,248.53 = 191,205.63 : x
  2. Step 2: Convert to fraction form
    222,539.67/334,248.53 = 191,205.63/x
  3. Step 3: Cross multiply
    222,539.67x = 334,248.53 × 191,205.63
  4. Step 4: Simplify right side
    222,539.67x = 63,910,199,799.20
  5. Step 5: Solve for x
    x = 63,910,199,799.20/222,539.67
  6. Step 6: Final answer
    x = 287,185.65

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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.