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Finding the Fourth Proportional to 484,994.93, 727,043.99 and 247,814.78

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Solution

The fourth proportional to 484,994.93, 727,043.99 and 247,814.78 is: 371,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,994.93 : 727,043.99 = 247,814.78 : x
  2. Step 2: Convert to fraction form
    484,994.93/727,043.99 = 247,814.78/x
  3. Step 3: Cross multiply
    484,994.93x = 727,043.99 × 247,814.78
  4. Step 4: Simplify right side
    484,994.93x = 180,172,241,557.88
  5. Step 5: Solve for x
    x = 180,172,241,557.88/484,994.93
  6. Step 6: Final answer
    x = 371,493.05

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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.