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Finding the Fourth Proportional to 634,489.93, 951,800.51 and 213,798.61

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Solution

The fourth proportional to 634,489.93, 951,800.51 and 213,798.61 is: 320,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,489.93 : 951,800.51 = 213,798.61 : x
  2. Step 2: Convert to fraction form
    634,489.93/951,800.51 = 213,798.61/x
  3. Step 3: Cross multiply
    634,489.93x = 951,800.51 × 213,798.61
  4. Step 4: Simplify right side
    634,489.93x = 203,493,626,035.29
  5. Step 5: Solve for x
    x = 203,493,626,035.29/634,489.93
  6. Step 6: Final answer
    x = 320,720.02

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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.