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Finding the Fourth Proportional to 329,963.86, 455,347.47 and 179,060.86

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Solution

The fourth proportional to 329,963.86, 455,347.47 and 179,060.86 is: 247,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,963.86 : 455,347.47 = 179,060.86 : x
  2. Step 2: Convert to fraction form
    329,963.86/455,347.47 = 179,060.86/x
  3. Step 3: Cross multiply
    329,963.86x = 455,347.47 × 179,060.86
  4. Step 4: Simplify right side
    329,963.86x = 81,534,909,577.02
  5. Step 5: Solve for x
    x = 81,534,909,577.02/329,963.86
  6. Step 6: Final answer
    x = 247,102.55

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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.