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Finding the Fourth Proportional to 2,361,874.40, 3,542,811.60 and 942,948.80

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Solution

The fourth proportional to 2,361,874.40, 3,542,811.60 and 942,948.80 is: 1,414,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361,874.40 : 3,542,811.60 = 942,948.80 : x
  2. Step 2: Convert to fraction form
    2,361,874.40/3,542,811.60 = 942,948.80/x
  3. Step 3: Cross multiply
    2,361,874.40x = 3,542,811.60 × 942,948.80
  4. Step 4: Simplify right side
    2,361,874.40x = 3,340,689,946,846.08
  5. Step 5: Solve for x
    x = 3,340,689,946,846.08/2,361,874.40
  6. Step 6: Final answer
    x = 1,414,423.20

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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.