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Finding the Fourth Proportional to 593,004.91, 818,343.30 and 321,067.10

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Solution

The fourth proportional to 593,004.91, 818,343.30 and 321,067.10 is: 443,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,004.91 : 818,343.30 = 321,067.10 : x
  2. Step 2: Convert to fraction form
    593,004.91/818,343.30 = 321,067.10/x
  3. Step 3: Cross multiply
    593,004.91x = 818,343.30 × 321,067.10
  4. Step 4: Simplify right side
    593,004.91x = 262,743,110,135.43
  5. Step 5: Solve for x
    x = 262,743,110,135.43/593,004.91
  6. Step 6: Final answer
    x = 443,070.72

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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.