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Finding the Fourth Proportional to 636,236.96, 954,104.33 and 257,086.22

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Solution

The fourth proportional to 636,236.96, 954,104.33 and 257,086.22 is: 385,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,236.96 : 954,104.33 = 257,086.22 : x
  2. Step 2: Convert to fraction form
    636,236.96/954,104.33 = 257,086.22/x
  3. Step 3: Cross multiply
    636,236.96x = 954,104.33 × 257,086.22
  4. Step 4: Simplify right side
    636,236.96x = 245,287,071,557.53
  5. Step 5: Solve for x
    x = 245,287,071,557.53/636,236.96
  6. Step 6: Final answer
    x = 385,527.86

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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.