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Finding the Fourth Proportional to 578,800.40, 868,233.42 and 179,497.96

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Solution

The fourth proportional to 578,800.40, 868,233.42 and 179,497.96 is: 269,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,800.40 : 868,233.42 = 179,497.96 : x
  2. Step 2: Convert to fraction form
    578,800.40/868,233.42 = 179,497.96/x
  3. Step 3: Cross multiply
    578,800.40x = 868,233.42 × 179,497.96
  4. Step 4: Simplify right side
    578,800.40x = 155,846,127,693.82
  5. Step 5: Solve for x
    x = 155,846,127,693.82/578,800.40
  6. Step 6: Final answer
    x = 269,257.12

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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.