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Finding the Fourth Proportional to 437,357.29, 603,346.79 and 255,956.88

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Solution

The fourth proportional to 437,357.29, 603,346.79 and 255,956.88 is: 353,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,357.29 : 603,346.79 = 255,956.88 : x
  2. Step 2: Convert to fraction form
    437,357.29/603,346.79 = 255,956.88/x
  3. Step 3: Cross multiply
    437,357.29x = 603,346.79 × 255,956.88
  4. Step 4: Simplify right side
    437,357.29x = 154,430,761,926.42
  5. Step 5: Solve for x
    x = 154,430,761,926.42/437,357.29
  6. Step 6: Final answer
    x = 353,099.78

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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.