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Finding the Fourth Proportional to 593,842.78, 819,504.13 and 321,909.83

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Solution

The fourth proportional to 593,842.78, 819,504.13 and 321,909.83 is: 444,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,842.78 : 819,504.13 = 321,909.83 : x
  2. Step 2: Convert to fraction form
    593,842.78/819,504.13 = 321,909.83/x
  3. Step 3: Cross multiply
    593,842.78x = 819,504.13 × 321,909.83
  4. Step 4: Simplify right side
    593,842.78x = 263,806,438,648.13
  5. Step 5: Solve for x
    x = 263,806,438,648.13/593,842.78
  6. Step 6: Final answer
    x = 444,236.16

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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.