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Finding the Fourth Proportional to 468,388.86, 702,680.49 and 187,927.98

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Solution

The fourth proportional to 468,388.86, 702,680.49 and 187,927.98 is: 281,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,388.86 : 702,680.49 = 187,927.98 : x
  2. Step 2: Convert to fraction form
    468,388.86/702,680.49 = 187,927.98/x
  3. Step 3: Cross multiply
    468,388.86x = 702,680.49 × 187,927.98
  4. Step 4: Simplify right side
    468,388.86x = 132,053,325,071.11
  5. Step 5: Solve for x
    x = 132,053,325,071.11/468,388.86
  6. Step 6: Final answer
    x = 281,930.97

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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.