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Finding the Fourth Proportional to 894,969.20, 1,343,188.20 and 887,970.80

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Solution

The fourth proportional to 894,969.20, 1,343,188.20 and 887,970.80 is: 1,332,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,969.20 : 1,343,188.20 = 887,970.80 : x
  2. Step 2: Convert to fraction form
    894,969.20/1,343,188.20 = 887,970.80/x
  3. Step 3: Cross multiply
    894,969.20x = 1,343,188.20 × 887,970.80
  4. Step 4: Simplify right side
    894,969.20x = 1,192,711,900,504.56
  5. Step 5: Solve for x
    x = 1,192,711,900,504.56/894,969.20
  6. Step 6: Final answer
    x = 1,332,684.86

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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.