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Finding the Fourth Proportional to 604,079.36, 905,553.15 and 204,440.34

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Solution

The fourth proportional to 604,079.36, 905,553.15 and 204,440.34 is: 306,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,079.36 : 905,553.15 = 204,440.34 : x
  2. Step 2: Convert to fraction form
    604,079.36/905,553.15 = 204,440.34/x
  3. Step 3: Cross multiply
    604,079.36x = 905,553.15 × 204,440.34
  4. Step 4: Simplify right side
    604,079.36x = 185,131,593,874.07
  5. Step 5: Solve for x
    x = 185,131,593,874.07/604,079.36
  6. Step 6: Final answer
    x = 306,468.99

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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.