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Finding the Fourth Proportional to 518,468.40, 777,524.40 and 252,057.24

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Solution

The fourth proportional to 518,468.40, 777,524.40 and 252,057.24 is: 377,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,468.40 : 777,524.40 = 252,057.24 : x
  2. Step 2: Convert to fraction form
    518,468.40/777,524.40 = 252,057.24/x
  3. Step 3: Cross multiply
    518,468.40x = 777,524.40 × 252,057.24
  4. Step 4: Simplify right side
    518,468.40x = 195,980,654,296.66
  5. Step 5: Solve for x
    x = 195,980,654,296.66/518,468.40
  6. Step 6: Final answer
    x = 377,999.23

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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.