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Finding the Fourth Proportional to 325,548.74, 488,462.54 and 167,887.91

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Solution

The fourth proportional to 325,548.74, 488,462.54 and 167,887.91 is: 251,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,548.74 : 488,462.54 = 167,887.91 : x
  2. Step 2: Convert to fraction form
    325,548.74/488,462.54 = 167,887.91/x
  3. Step 3: Cross multiply
    325,548.74x = 488,462.54 × 167,887.91
  4. Step 4: Simplify right side
    325,548.74x = 82,006,955,335.61
  5. Step 5: Solve for x
    x = 82,006,955,335.61/325,548.74
  6. Step 6: Final answer
    x = 251,903.77

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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.