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Finding the Fourth Proportional to 468,939.92, 702,832.84 and 266,705.78

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Solution

The fourth proportional to 468,939.92, 702,832.84 and 266,705.78 is: 399,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,939.92 : 702,832.84 = 266,705.78 : x
  2. Step 2: Convert to fraction form
    468,939.92/702,832.84 = 266,705.78/x
  3. Step 3: Cross multiply
    468,939.92x = 702,832.84 × 266,705.78
  4. Step 4: Simplify right side
    468,939.92x = 187,449,580,801.82
  5. Step 5: Solve for x
    x = 187,449,580,801.82/468,939.92
  6. Step 6: Final answer
    x = 399,730.48

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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.