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Finding the Fourth Proportional to 329,957.78, 455,342.93 and 179,054.74

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Solution

The fourth proportional to 329,957.78, 455,342.93 and 179,054.74 is: 247,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,957.78 : 455,342.93 = 179,054.74 : x
  2. Step 2: Convert to fraction form
    329,957.78/455,342.93 = 179,054.74/x
  3. Step 3: Cross multiply
    329,957.78x = 455,342.93 × 179,054.74
  4. Step 4: Simplify right side
    329,957.78x = 81,531,309,941.99
  5. Step 5: Solve for x
    x = 81,531,309,941.99/329,957.78
  6. Step 6: Final answer
    x = 247,096.19

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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.