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Finding the Fourth Proportional to 593,234.52, 818,007.66 and 378,033.72

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Solution

The fourth proportional to 593,234.52, 818,007.66 and 378,033.72 is: 521,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,234.52 : 818,007.66 = 378,033.72 : x
  2. Step 2: Convert to fraction form
    593,234.52/818,007.66 = 378,033.72/x
  3. Step 3: Cross multiply
    593,234.52x = 818,007.66 × 378,033.72
  4. Step 4: Simplify right side
    593,234.52x = 309,234,478,698.30
  5. Step 5: Solve for x
    x = 309,234,478,698.30/593,234.52
  6. Step 6: Final answer
    x = 521,268.52

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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.