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Finding the Fourth Proportional to 634,495.93, 951,809.52 and 213,804.61

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Solution

The fourth proportional to 634,495.93, 951,809.52 and 213,804.61 is: 320,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,495.93 : 951,809.52 = 213,804.61 : x
  2. Step 2: Convert to fraction form
    634,495.93/951,809.52 = 213,804.61/x
  3. Step 3: Cross multiply
    634,495.93x = 951,809.52 × 213,804.61
  4. Step 4: Simplify right side
    634,495.93x = 203,501,263,217.89
  5. Step 5: Solve for x
    x = 203,501,263,217.89/634,495.93
  6. Step 6: Final answer
    x = 320,729.03

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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.