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Finding the Fourth Proportional to 663,971.82, 996,161.85 and 593,404.62

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Solution

The fourth proportional to 663,971.82, 996,161.85 and 593,404.62 is: 890,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,971.82 : 996,161.85 = 593,404.62 : x
  2. Step 2: Convert to fraction form
    663,971.82/996,161.85 = 593,404.62/x
  3. Step 3: Cross multiply
    663,971.82x = 996,161.85 × 593,404.62
  4. Step 4: Simplify right side
    663,971.82x = 591,127,044,057.75
  5. Step 5: Solve for x
    x = 591,127,044,057.75/663,971.82
  6. Step 6: Final answer
    x = 890,289.36

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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.