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Finding the Fourth Proportional to 578,263.93, 868,191.84 and 294,146.73

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Solution

The fourth proportional to 578,263.93, 868,191.84 and 294,146.73 is: 441,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,263.93 : 868,191.84 = 294,146.73 : x
  2. Step 2: Convert to fraction form
    578,263.93/868,191.84 = 294,146.73/x
  3. Step 3: Cross multiply
    578,263.93x = 868,191.84 × 294,146.73
  4. Step 4: Simplify right side
    578,263.93x = 255,375,790,748.68
  5. Step 5: Solve for x
    x = 255,375,790,748.68/578,263.93
  6. Step 6: Final answer
    x = 441,624.97

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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.