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Finding the Fourth Proportional to 1,332,481.59, 1,837,978.02 and 873,625.91

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Solution

The fourth proportional to 1,332,481.59, 1,837,978.02 and 873,625.91 is: 1,205,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,481.59 : 1,837,978.02 = 873,625.91 : x
  2. Step 2: Convert to fraction form
    1,332,481.59/1,837,978.02 = 873,625.91/x
  3. Step 3: Cross multiply
    1,332,481.59x = 1,837,978.02 × 873,625.91
  4. Step 4: Simplify right side
    1,332,481.59x = 1,605,705,211,092.61
  5. Step 5: Solve for x
    x = 1,605,705,211,092.61/1,332,481.59
  6. Step 6: Final answer
    x = 1,205,048.70

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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.