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Finding the Fourth Proportional to 634,491.93, 951,803.52 and 213,800.61

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Solution

The fourth proportional to 634,491.93, 951,803.52 and 213,800.61 is: 320,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,491.93 : 951,803.52 = 213,800.61 : x
  2. Step 2: Convert to fraction form
    634,491.93/951,803.52 = 213,800.61/x
  3. Step 3: Cross multiply
    634,491.93x = 951,803.52 × 213,800.61
  4. Step 4: Simplify right side
    634,491.93x = 203,496,173,176.15
  5. Step 5: Solve for x
    x = 203,496,173,176.15/634,491.93
  6. Step 6: Final answer
    x = 320,723.03

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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.