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Finding the Fourth Proportional to 1,784,836.24, 2,463,060.32 and 969,023.76

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Solution

The fourth proportional to 1,784,836.24, 2,463,060.32 and 969,023.76 is: 1,337,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,836.24 : 2,463,060.32 = 969,023.76 : x
  2. Step 2: Convert to fraction form
    1,784,836.24/2,463,060.32 = 969,023.76/x
  3. Step 3: Cross multiply
    1,784,836.24x = 2,463,060.32 × 969,023.76
  4. Step 4: Simplify right side
    1,784,836.24x = 2,386,763,972,393.20
  5. Step 5: Solve for x
    x = 2,386,763,972,393.20/1,784,836.24
  6. Step 6: Final answer
    x = 1,337,245.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.