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Finding the Fourth Proportional to 892,393.20, 1,334,701.80 and 798,303.60

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Solution

The fourth proportional to 892,393.20, 1,334,701.80 and 798,303.60 is: 1,193,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,393.20 : 1,334,701.80 = 798,303.60 : x
  2. Step 2: Convert to fraction form
    892,393.20/1,334,701.80 = 798,303.60/x
  3. Step 3: Cross multiply
    892,393.20x = 1,334,701.80 × 798,303.60
  4. Step 4: Simplify right side
    892,393.20x = 1,065,497,251,866.48
  5. Step 5: Solve for x
    x = 1,065,497,251,866.48/892,393.20
  6. Step 6: Final answer
    x = 1,193,977.33

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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.