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Finding the Fourth Proportional to 393,233.48, 588,581.44 and 203,432.56

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Solution

The fourth proportional to 393,233.48, 588,581.44 and 203,432.56 is: 304,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,233.48 : 588,581.44 = 203,432.56 : x
  2. Step 2: Convert to fraction form
    393,233.48/588,581.44 = 203,432.56/x
  3. Step 3: Cross multiply
    393,233.48x = 588,581.44 × 203,432.56
  4. Step 4: Simplify right side
    393,233.48x = 119,736,630,438.42
  5. Step 5: Solve for x
    x = 119,736,630,438.42/393,233.48
  6. Step 6: Final answer
    x = 304,492.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.