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Finding the Fourth Proportional to 329,254.53, 454,371.30 and 178,351.53

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Solution

The fourth proportional to 329,254.53, 454,371.30 and 178,351.53 is: 246,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,254.53 : 454,371.30 = 178,351.53 : x
  2. Step 2: Convert to fraction form
    329,254.53/454,371.30 = 178,351.53/x
  3. Step 3: Cross multiply
    329,254.53x = 454,371.30 × 178,351.53
  4. Step 4: Simplify right side
    329,254.53x = 81,037,816,543.09
  5. Step 5: Solve for x
    x = 81,037,816,543.09/329,254.53
  6. Step 6: Final answer
    x = 246,125.14

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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.