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Finding the Fourth Proportional to 363,994.80, 545,862.60 and 164,410.80

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Solution

The fourth proportional to 363,994.80, 545,862.60 and 164,410.80 is: 246,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,994.80 : 545,862.60 = 164,410.80 : x
  2. Step 2: Convert to fraction form
    363,994.80/545,862.60 = 164,410.80/x
  3. Step 3: Cross multiply
    363,994.80x = 545,862.60 × 164,410.80
  4. Step 4: Simplify right side
    363,994.80x = 89,745,706,756.08
  5. Step 5: Solve for x
    x = 89,745,706,756.08/363,994.80
  6. Step 6: Final answer
    x = 246,557.66

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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.