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Finding the Fourth Proportional to 203,250.60, 304,875.90 and 191,845.80

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Solution

The fourth proportional to 203,250.60, 304,875.90 and 191,845.80 is: 287,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,250.60 : 304,875.90 = 191,845.80 : x
  2. Step 2: Convert to fraction form
    203,250.60/304,875.90 = 191,845.80/x
  3. Step 3: Cross multiply
    203,250.60x = 304,875.90 × 191,845.80
  4. Step 4: Simplify right side
    203,250.60x = 58,489,160,936.22
  5. Step 5: Solve for x
    x = 58,489,160,936.22/203,250.60
  6. Step 6: Final answer
    x = 287,768.70

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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.