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Finding the Fourth Proportional to 329,998.81, 455,398.36 and 179,095.81

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Solution

The fourth proportional to 329,998.81, 455,398.36 and 179,095.81 is: 247,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,998.81 : 455,398.36 = 179,095.81 : x
  2. Step 2: Convert to fraction form
    329,998.81/455,398.36 = 179,095.81/x
  3. Step 3: Cross multiply
    329,998.81x = 455,398.36 × 179,095.81
  4. Step 4: Simplify right side
    329,998.81x = 81,559,938,156.87
  5. Step 5: Solve for x
    x = 81,559,938,156.87/329,998.81
  6. Step 6: Final answer
    x = 247,152.22

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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.