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Finding the Fourth Proportional to 604,958.81, 907,369.09 and 161,761.37

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Solution

The fourth proportional to 604,958.81, 907,369.09 and 161,761.37 is: 242,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,958.81 : 907,369.09 = 161,761.37 : x
  2. Step 2: Convert to fraction form
    604,958.81/907,369.09 = 161,761.37/x
  3. Step 3: Cross multiply
    604,958.81x = 907,369.09 × 161,761.37
  4. Step 4: Simplify right side
    604,958.81x = 146,777,267,094.05
  5. Step 5: Solve for x
    x = 146,777,267,094.05/604,958.81
  6. Step 6: Final answer
    x = 242,623.57

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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.