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Finding the Fourth Proportional to 363,043.80, 508,786.20 and 363,043.80

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Solution

The fourth proportional to 363,043.80, 508,786.20 and 363,043.80 is: 508,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,043.80 : 508,786.20 = 363,043.80 : x
  2. Step 2: Convert to fraction form
    363,043.80/508,786.20 = 363,043.80/x
  3. Step 3: Cross multiply
    363,043.80x = 508,786.20 × 363,043.80
  4. Step 4: Simplify right side
    363,043.80x = 184,711,675,435.56
  5. Step 5: Solve for x
    x = 184,711,675,435.56/363,043.80
  6. Step 6: Final answer
    x = 508,786.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.