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Finding the Fourth Proportional to 600,775.81, 901,242.18 and 221,961.89

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Solution

The fourth proportional to 600,775.81, 901,242.18 and 221,961.89 is: 332,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,775.81 : 901,242.18 = 221,961.89 : x
  2. Step 2: Convert to fraction form
    600,775.81/901,242.18 = 221,961.89/x
  3. Step 3: Cross multiply
    600,775.81x = 901,242.18 × 221,961.89
  4. Step 4: Simplify right side
    600,775.81x = 200,041,419,873.63
  5. Step 5: Solve for x
    x = 200,041,419,873.63/600,775.81
  6. Step 6: Final answer
    x = 332,971.83

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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.