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Finding the Fourth Proportional to 634,587.59, 951,884.66 and 213,867.11

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Solution

The fourth proportional to 634,587.59, 951,884.66 and 213,867.11 is: 320,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,587.59 : 951,884.66 = 213,867.11 : x
  2. Step 2: Convert to fraction form
    634,587.59/951,884.66 = 213,867.11/x
  3. Step 3: Cross multiply
    634,587.59x = 951,884.66 × 213,867.11
  4. Step 4: Simplify right side
    634,587.59x = 203,576,817,062.78
  5. Step 5: Solve for x
    x = 203,576,817,062.78/634,587.59
  6. Step 6: Final answer
    x = 320,801.76

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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.