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Finding the Fourth Proportional to 330,186.36, 455,657.36 and 179,283.36

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Solution

The fourth proportional to 330,186.36, 455,657.36 and 179,283.36 is: 247,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,186.36 : 455,657.36 = 179,283.36 : x
  2. Step 2: Convert to fraction form
    330,186.36/455,657.36 = 179,283.36/x
  3. Step 3: Cross multiply
    330,186.36x = 455,657.36 × 179,283.36
  4. Step 4: Simplify right side
    330,186.36x = 81,691,781,613.11
  5. Step 5: Solve for x
    x = 81,691,781,613.11/330,186.36
  6. Step 6: Final answer
    x = 247,411.13

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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.