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Finding the Fourth Proportional to 447,896.16, 671,840.09 and 181,593.39

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Solution

The fourth proportional to 447,896.16, 671,840.09 and 181,593.39 is: 272,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,896.16 : 671,840.09 = 181,593.39 : x
  2. Step 2: Convert to fraction form
    447,896.16/671,840.09 = 181,593.39/x
  3. Step 3: Cross multiply
    447,896.16x = 671,840.09 × 181,593.39
  4. Step 4: Simplify right side
    447,896.16x = 122,001,718,573.04
  5. Step 5: Solve for x
    x = 122,001,718,573.04/447,896.16
  6. Step 6: Final answer
    x = 272,388.40

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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.