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Finding the Fourth Proportional to 593,226.52, 817,996.62 and 378,025.72

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Solution

The fourth proportional to 593,226.52, 817,996.62 and 378,025.72 is: 521,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,226.52 : 817,996.62 = 378,025.72 : x
  2. Step 2: Convert to fraction form
    593,226.52/817,996.62 = 378,025.72/x
  3. Step 3: Cross multiply
    593,226.52x = 817,996.62 × 378,025.72
  4. Step 4: Simplify right side
    593,226.52x = 309,223,761,233.07
  5. Step 5: Solve for x
    x = 309,223,761,233.07/593,226.52
  6. Step 6: Final answer
    x = 521,257.48

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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.