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Finding the Fourth Proportional to 363,604.80, 545,334.30 and 174,064.80

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Solution

The fourth proportional to 363,604.80, 545,334.30 and 174,064.80 is: 261,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,604.80 : 545,334.30 = 174,064.80 : x
  2. Step 2: Convert to fraction form
    363,604.80/545,334.30 = 174,064.80/x
  3. Step 3: Cross multiply
    363,604.80x = 545,334.30 × 174,064.80
  4. Step 4: Simplify right side
    363,604.80x = 94,923,505,862.64
  5. Step 5: Solve for x
    x = 94,923,505,862.64/363,604.80
  6. Step 6: Final answer
    x = 261,062.30

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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.