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Finding the Fourth Proportional to 593,226.77, 817,996.97 and 378,025.97

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Solution

The fourth proportional to 593,226.77, 817,996.97 and 378,025.97 is: 521,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,226.77 : 817,996.97 = 378,025.97 : x
  2. Step 2: Convert to fraction form
    593,226.77/817,996.97 = 378,025.97/x
  3. Step 3: Cross multiply
    593,226.77x = 817,996.97 × 378,025.97
  4. Step 4: Simplify right side
    593,226.77x = 309,224,096,151.18
  5. Step 5: Solve for x
    x = 309,224,096,151.18/593,226.77
  6. Step 6: Final answer
    x = 521,257.83

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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.