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Finding the Fourth Proportional to 479,863.13, 719,792.64 and 195,490.26

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Solution

The fourth proportional to 479,863.13, 719,792.64 and 195,490.26 is: 293,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,863.13 : 719,792.64 = 195,490.26 : x
  2. Step 2: Convert to fraction form
    479,863.13/719,792.64 = 195,490.26/x
  3. Step 3: Cross multiply
    479,863.13x = 719,792.64 × 195,490.26
  4. Step 4: Simplify right side
    479,863.13x = 140,712,450,339.69
  5. Step 5: Solve for x
    x = 140,712,450,339.69/479,863.13
  6. Step 6: Final answer
    x = 293,234.56

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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.