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Finding the Fourth Proportional to 634,677.72, 952,039.26 and 213,957.24

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Solution

The fourth proportional to 634,677.72, 952,039.26 and 213,957.24 is: 320,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,677.72 : 952,039.26 = 213,957.24 : x
  2. Step 2: Convert to fraction form
    634,677.72/952,039.26 = 213,957.24/x
  3. Step 3: Cross multiply
    634,677.72x = 952,039.26 × 213,957.24
  4. Step 4: Simplify right side
    634,677.72x = 203,695,692,441.24
  5. Step 5: Solve for x
    x = 203,695,692,441.24/634,677.72
  6. Step 6: Final answer
    x = 320,943.51

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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.