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Finding the Fourth Proportional to 593,255.91, 818,691.18 and 321,323.13

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Solution

The fourth proportional to 593,255.91, 818,691.18 and 321,323.13 is: 443,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,255.91 : 818,691.18 = 321,323.13 : x
  2. Step 2: Convert to fraction form
    593,255.91/818,691.18 = 321,323.13/x
  3. Step 3: Cross multiply
    593,255.91x = 818,691.18 × 321,323.13
  4. Step 4: Simplify right side
    593,255.91x = 263,064,412,460.99
  5. Step 5: Solve for x
    x = 263,064,412,460.99/593,255.91
  6. Step 6: Final answer
    x = 443,424.85

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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.