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Finding the Fourth Proportional to 2,138,229.04, 2,950,829.52 and 1,171,359.04

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Solution

The fourth proportional to 2,138,229.04, 2,950,829.52 and 1,171,359.04 is: 1,616,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,229.04 : 2,950,829.52 = 1,171,359.04 : x
  2. Step 2: Convert to fraction form
    2,138,229.04/2,950,829.52 = 1,171,359.04/x
  3. Step 3: Cross multiply
    2,138,229.04x = 2,950,829.52 × 1,171,359.04
  4. Step 4: Simplify right side
    2,138,229.04x = 3,456,480,833,750.86
  5. Step 5: Solve for x
    x = 3,456,480,833,750.86/2,138,229.04
  6. Step 6: Final answer
    x = 1,616,515.71

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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.