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Finding the Fourth Proportional to 329,961.76, 455,347.26 and 179,058.76

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Solution

The fourth proportional to 329,961.76, 455,347.26 and 179,058.76 is: 247,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,961.76 : 455,347.26 = 179,058.76 : x
  2. Step 2: Convert to fraction form
    329,961.76/455,347.26 = 179,058.76/x
  3. Step 3: Cross multiply
    329,961.76x = 455,347.26 × 179,058.76
  4. Step 4: Simplify right side
    329,961.76x = 81,533,915,745.00
  5. Step 5: Solve for x
    x = 81,533,915,745.00/329,961.76
  6. Step 6: Final answer
    x = 247,101.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.