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Finding the Fourth Proportional to 479,188.98, 718,707.29 and 159,314.27

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Solution

The fourth proportional to 479,188.98, 718,707.29 and 159,314.27 is: 238,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,188.98 : 718,707.29 = 159,314.27 : x
  2. Step 2: Convert to fraction form
    479,188.98/718,707.29 = 159,314.27/x
  3. Step 3: Cross multiply
    479,188.98x = 718,707.29 × 159,314.27
  4. Step 4: Simplify right side
    479,188.98x = 114,500,322,859.92
  5. Step 5: Solve for x
    x = 114,500,322,859.92/479,188.98
  6. Step 6: Final answer
    x = 238,946.07

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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.