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Finding the Fourth Proportional to 634,016.16, 951,131.16 and 213,192

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Solution

The fourth proportional to 634,016.16, 951,131.16 and 213,192 is: 319,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,016.16 : 951,131.16 = 213,192 : x
  2. Step 2: Convert to fraction form
    634,016.16/951,131.16 = 213,192/x
  3. Step 3: Cross multiply
    634,016.16x = 951,131.16 × 213,192
  4. Step 4: Simplify right side
    634,016.16x = 202,773,554,262.72
  5. Step 5: Solve for x
    x = 202,773,554,262.72/634,016.16
  6. Step 6: Final answer
    x = 319,823.95

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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.