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Finding the Fourth Proportional to 2,993,934.88, 4,490,837.48 and 834,902.39

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Solution

The fourth proportional to 2,993,934.88, 4,490,837.48 and 834,902.39 is: 1,252,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,934.88 : 4,490,837.48 = 834,902.39 : x
  2. Step 2: Convert to fraction form
    2,993,934.88/4,490,837.48 = 834,902.39/x
  3. Step 3: Cross multiply
    2,993,934.88x = 4,490,837.48 × 834,902.39
  4. Step 4: Simplify right side
    2,993,934.88x = 3,749,410,921,655.76
  5. Step 5: Solve for x
    x = 3,749,410,921,655.76/2,993,934.88
  6. Step 6: Final answer
    x = 1,252,335.50

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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.