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Finding the Fourth Proportional to 329,339.53, 454,488.60 and 178,436.53

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Solution

The fourth proportional to 329,339.53, 454,488.60 and 178,436.53 is: 246,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,339.53 : 454,488.60 = 178,436.53 : x
  2. Step 2: Convert to fraction form
    329,339.53/454,488.60 = 178,436.53/x
  3. Step 3: Cross multiply
    329,339.53x = 454,488.60 × 178,436.53
  4. Step 4: Simplify right side
    329,339.53x = 81,097,368,708.56
  5. Step 5: Solve for x
    x = 81,097,368,708.56/329,339.53
  6. Step 6: Final answer
    x = 246,242.44

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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.