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Finding the Fourth Proportional to 661,194.20, 993,905.40 and 614,392.40

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Solution

The fourth proportional to 661,194.20, 993,905.40 and 614,392.40 is: 923,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,194.20 : 993,905.40 = 614,392.40 : x
  2. Step 2: Convert to fraction form
    661,194.20/993,905.40 = 614,392.40/x
  3. Step 3: Cross multiply
    661,194.20x = 993,905.40 × 614,392.40
  4. Step 4: Simplify right side
    661,194.20x = 610,647,924,078.96
  5. Step 5: Solve for x
    x = 610,647,924,078.96/661,194.20
  6. Step 6: Final answer
    x = 923,553.06

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1.5x scale

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.