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Finding the Fourth Proportional to 329,937.52, 455,322.60 and 179,034.64

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Solution

The fourth proportional to 329,937.52, 455,322.60 and 179,034.64 is: 247,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,937.52 : 455,322.60 = 179,034.64 : x
  2. Step 2: Convert to fraction form
    329,937.52/455,322.60 = 179,034.64/x
  3. Step 3: Cross multiply
    329,937.52x = 455,322.60 × 179,034.64
  4. Step 4: Simplify right side
    329,937.52x = 81,518,517,774.86
  5. Step 5: Solve for x
    x = 81,518,517,774.86/329,937.52
  6. Step 6: Final answer
    x = 247,072.59

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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.