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Finding the Fourth Proportional to 479,188.62, 718,706.70 and 159,313.89

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Solution

The fourth proportional to 479,188.62, 718,706.70 and 159,313.89 is: 238,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,188.62 : 718,706.70 = 159,313.89 : x
  2. Step 2: Convert to fraction form
    479,188.62/718,706.70 = 159,313.89/x
  3. Step 3: Cross multiply
    479,188.62x = 718,706.70 × 159,313.89
  4. Step 4: Simplify right side
    479,188.62x = 114,499,960,146.06
  5. Step 5: Solve for x
    x = 114,499,960,146.06/479,188.62
  6. Step 6: Final answer
    x = 238,945.49

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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.