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Finding the Fourth Proportional to 203,248.60, 304,872.90 and 191,843.80

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Solution

The fourth proportional to 203,248.60, 304,872.90 and 191,843.80 is: 287,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,248.60 : 304,872.90 = 191,843.80 : x
  2. Step 2: Convert to fraction form
    203,248.60/304,872.90 = 191,843.80/x
  3. Step 3: Cross multiply
    203,248.60x = 304,872.90 × 191,843.80
  4. Step 4: Simplify right side
    203,248.60x = 58,487,975,653.02
  5. Step 5: Solve for x
    x = 58,487,975,653.02/203,248.60
  6. Step 6: Final answer
    x = 287,765.70

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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.