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Finding the Fourth Proportional to 479,708.82, 719,553.18 and 159,883.84

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Solution

The fourth proportional to 479,708.82, 719,553.18 and 159,883.84 is: 239,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,708.82 : 719,553.18 = 159,883.84 : x
  2. Step 2: Convert to fraction form
    479,708.82/719,553.18 = 159,883.84/x
  3. Step 3: Cross multiply
    479,708.82x = 719,553.18 × 159,883.84
  4. Step 4: Simplify right side
    479,708.82x = 115,044,925,502.61
  5. Step 5: Solve for x
    x = 115,044,925,502.61/479,708.82
  6. Step 6: Final answer
    x = 239,822.41

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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.