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Finding the Fourth Proportional to 634,101.60, 951,195.60 and 201,784.80

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Solution

The fourth proportional to 634,101.60, 951,195.60 and 201,784.80 is: 302,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,101.60 : 951,195.60 = 201,784.80 : x
  2. Step 2: Convert to fraction form
    634,101.60/951,195.60 = 201,784.80/x
  3. Step 3: Cross multiply
    634,101.60x = 951,195.60 × 201,784.80
  4. Step 4: Simplify right side
    634,101.60x = 191,936,813,906.88
  5. Step 5: Solve for x
    x = 191,936,813,906.88/634,101.60
  6. Step 6: Final answer
    x = 302,690.95

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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.