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Finding the Fourth Proportional to 659,924.89, 989,838.09 and 227,600.08

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Solution

The fourth proportional to 659,924.89, 989,838.09 and 227,600.08 is: 341,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,924.89 : 989,838.09 = 227,600.08 : x
  2. Step 2: Convert to fraction form
    659,924.89/989,838.09 = 227,600.08/x
  3. Step 3: Cross multiply
    659,924.89x = 989,838.09 × 227,600.08
  4. Step 4: Simplify right side
    659,924.89x = 225,287,225,996.45
  5. Step 5: Solve for x
    x = 225,287,225,996.45/659,924.89
  6. Step 6: Final answer
    x = 341,383.13

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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.