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Finding the Fourth Proportional to 593,253.41, 818,687.74 and 321,320.62

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Solution

The fourth proportional to 593,253.41, 818,687.74 and 321,320.62 is: 443,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,253.41 : 818,687.74 = 321,320.62 : x
  2. Step 2: Convert to fraction form
    593,253.41/818,687.74 = 321,320.62/x
  3. Step 3: Cross multiply
    593,253.41x = 818,687.74 × 321,320.62
  4. Step 4: Simplify right side
    593,253.41x = 263,061,246,503.16
  5. Step 5: Solve for x
    x = 263,061,246,503.16/593,253.41
  6. Step 6: Final answer
    x = 443,421.38

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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.