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Finding the Fourth Proportional to 454,240.32, 626,843.52 and 253,032

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Solution

The fourth proportional to 454,240.32, 626,843.52 and 253,032 is: 349,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,240.32 : 626,843.52 = 253,032 : x
  2. Step 2: Convert to fraction form
    454,240.32/626,843.52 = 253,032/x
  3. Step 3: Cross multiply
    454,240.32x = 626,843.52 × 253,032
  4. Step 4: Simplify right side
    454,240.32x = 158,611,469,552.64
  5. Step 5: Solve for x
    x = 158,611,469,552.64/454,240.32
  6. Step 6: Final answer
    x = 349,179.64

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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.