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Finding the Fourth Proportional to 436,999.70, 655,521.15 and 227,047.70

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Solution

The fourth proportional to 436,999.70, 655,521.15 and 227,047.70 is: 340,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,999.70 : 655,521.15 = 227,047.70 : x
  2. Step 2: Convert to fraction form
    436,999.70/655,521.15 = 227,047.70/x
  3. Step 3: Cross multiply
    436,999.70x = 655,521.15 × 227,047.70
  4. Step 4: Simplify right side
    436,999.70x = 148,834,569,408.86
  5. Step 5: Solve for x
    x = 148,834,569,408.86/436,999.70
  6. Step 6: Final answer
    x = 340,582.77

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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.