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Finding the Fourth Proportional to 329,621.32, 454,801.80 and 186,350.14

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Solution

The fourth proportional to 329,621.32, 454,801.80 and 186,350.14 is: 257,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.32 : 454,801.80 = 186,350.14 : x
  2. Step 2: Convert to fraction form
    329,621.32/454,801.80 = 186,350.14/x
  3. Step 3: Cross multiply
    329,621.32x = 454,801.80 × 186,350.14
  4. Step 4: Simplify right side
    329,621.32x = 84,752,379,102.25
  5. Step 5: Solve for x
    x = 84,752,379,102.25/329,621.32
  6. Step 6: Final answer
    x = 257,120.44

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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.