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Finding the Fourth Proportional to 911,625.60, 1,367,438.40 and 246,777.60

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Solution

The fourth proportional to 911,625.60, 1,367,438.40 and 246,777.60 is: 370,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,625.60 : 1,367,438.40 = 246,777.60 : x
  2. Step 2: Convert to fraction form
    911,625.60/1,367,438.40 = 246,777.60/x
  3. Step 3: Cross multiply
    911,625.60x = 1,367,438.40 × 246,777.60
  4. Step 4: Simplify right side
    911,625.60x = 337,453,166,499.84
  5. Step 5: Solve for x
    x = 337,453,166,499.84/911,625.60
  6. Step 6: Final answer
    x = 370,166.40

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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.