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Finding the Fourth Proportional to 454,226.08, 626,906.64 and 253,086.88

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Solution

The fourth proportional to 454,226.08, 626,906.64 and 253,086.88 is: 349,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,226.08 : 626,906.64 = 253,086.88 : x
  2. Step 2: Convert to fraction form
    454,226.08/626,906.64 = 253,086.88/x
  3. Step 3: Cross multiply
    454,226.08x = 626,906.64 × 253,086.88
  4. Step 4: Simplify right side
    454,226.08x = 158,661,845,568.88
  5. Step 5: Solve for x
    x = 158,661,845,568.88/454,226.08
  6. Step 6: Final answer
    x = 349,301.49

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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.