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Finding the Fourth Proportional to 329,658.32, 454,928.71 and 178,755.32

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Solution

The fourth proportional to 329,658.32, 454,928.71 and 178,755.32 is: 246,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,658.32 : 454,928.71 = 178,755.32 : x
  2. Step 2: Convert to fraction form
    329,658.32/454,928.71 = 178,755.32/x
  3. Step 3: Cross multiply
    329,658.32x = 454,928.71 × 178,755.32
  4. Step 4: Simplify right side
    329,658.32x = 81,320,927,133.24
  5. Step 5: Solve for x
    x = 81,320,927,133.24/329,658.32
  6. Step 6: Final answer
    x = 246,682.47

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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.