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Finding the Fourth Proportional to 500,575.43, 750,855.19 and 121,499.30

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Solution

The fourth proportional to 500,575.43, 750,855.19 and 121,499.30 is: 182,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,575.43 : 750,855.19 = 121,499.30 : x
  2. Step 2: Convert to fraction form
    500,575.43/750,855.19 = 121,499.30/x
  3. Step 3: Cross multiply
    500,575.43x = 750,855.19 × 121,499.30
  4. Step 4: Simplify right side
    500,575.43x = 91,228,380,138.24
  5. Step 5: Solve for x
    x = 91,228,380,138.24/500,575.43
  6. Step 6: Final answer
    x = 182,247.02

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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.