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Finding the Fourth Proportional to 634,434.50, 951,651.76 and 191,202.50

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Solution

The fourth proportional to 634,434.50, 951,651.76 and 191,202.50 is: 286,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,434.50 : 951,651.76 = 191,202.50 : x
  2. Step 2: Convert to fraction form
    634,434.50/951,651.76 = 191,202.50/x
  3. Step 3: Cross multiply
    634,434.50x = 951,651.76 × 191,202.50
  4. Step 4: Simplify right side
    634,434.50x = 181,958,195,641.40
  5. Step 5: Solve for x
    x = 181,958,195,641.40/634,434.50
  6. Step 6: Final answer
    x = 286,803.75

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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.