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Finding the Fourth Proportional to 496,193.04, 744,387.90 and 141,221.04

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Solution

The fourth proportional to 496,193.04, 744,387.90 and 141,221.04 is: 211,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,193.04 : 744,387.90 = 141,221.04 : x
  2. Step 2: Convert to fraction form
    496,193.04/744,387.90 = 141,221.04/x
  3. Step 3: Cross multiply
    496,193.04x = 744,387.90 × 141,221.04
  4. Step 4: Simplify right side
    496,193.04x = 105,123,233,401.42
  5. Step 5: Solve for x
    x = 105,123,233,401.42/496,193.04
  6. Step 6: Final answer
    x = 211,859.55

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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.