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Finding the Fourth Proportional to 329,998.50, 455,397.93 and 179,095.50

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Solution

The fourth proportional to 329,998.50, 455,397.93 and 179,095.50 is: 247,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,998.50 : 455,397.93 = 179,095.50 : x
  2. Step 2: Convert to fraction form
    329,998.50/455,397.93 = 179,095.50/x
  3. Step 3: Cross multiply
    329,998.50x = 455,397.93 × 179,095.50
  4. Step 4: Simplify right side
    329,998.50x = 81,559,719,972.32
  5. Step 5: Solve for x
    x = 81,559,719,972.32/329,998.50
  6. Step 6: Final answer
    x = 247,151.79

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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.