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Finding the Fourth Proportional to 894,977.20, 1,343,200.20 and 887,978.80

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Solution

The fourth proportional to 894,977.20, 1,343,200.20 and 887,978.80 is: 1,332,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,977.20 : 1,343,200.20 = 887,978.80 : x
  2. Step 2: Convert to fraction form
    894,977.20/1,343,200.20 = 887,978.80/x
  3. Step 3: Cross multiply
    894,977.20x = 1,343,200.20 × 887,978.80
  4. Step 4: Simplify right side
    894,977.20x = 1,192,733,301,755.76
  5. Step 5: Solve for x
    x = 1,192,733,301,755.76/894,977.20
  6. Step 6: Final answer
    x = 1,332,696.86

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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.