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Finding the Fourth Proportional to 1,244,000.20, 1,867,968.60 and 944,818.60

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Solution

The fourth proportional to 1,244,000.20, 1,867,968.60 and 944,818.60 is: 1,418,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,000.20 : 1,867,968.60 = 944,818.60 : x
  2. Step 2: Convert to fraction form
    1,244,000.20/1,867,968.60 = 944,818.60/x
  3. Step 3: Cross multiply
    1,244,000.20x = 1,867,968.60 × 944,818.60
  4. Step 4: Simplify right side
    1,244,000.20x = 1,764,891,477,495.96
  5. Step 5: Solve for x
    x = 1,764,891,477,495.96/1,244,000.20
  6. Step 6: Final answer
    x = 1,418,722.82

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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.