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Finding the Fourth Proportional to 634,465.65, 951,318.30 and 201,996.21

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Solution

The fourth proportional to 634,465.65, 951,318.30 and 201,996.21 is: 302,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,465.65 : 951,318.30 = 201,996.21 : x
  2. Step 2: Convert to fraction form
    634,465.65/951,318.30 = 201,996.21/x
  3. Step 3: Cross multiply
    634,465.65x = 951,318.30 × 201,996.21
  4. Step 4: Simplify right side
    634,465.65x = 192,162,691,103.64
  5. Step 5: Solve for x
    x = 192,162,691,103.64/634,465.65
  6. Step 6: Final answer
    x = 302,873.28

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Double scale
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Similar ratio
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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.