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Finding the Fourth Proportional to 429,553.48, 592,515.78 and 276,793.96

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Solution

The fourth proportional to 429,553.48, 592,515.78 and 276,793.96 is: 381,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,553.48 : 592,515.78 = 276,793.96 : x
  2. Step 2: Convert to fraction form
    429,553.48/592,515.78 = 276,793.96/x
  3. Step 3: Cross multiply
    429,553.48x = 592,515.78 × 276,793.96
  4. Step 4: Simplify right side
    429,553.48x = 164,004,789,108.69
  5. Step 5: Solve for x
    x = 164,004,789,108.69/429,553.48
  6. Step 6: Final answer
    x = 381,802.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.