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Finding the Fourth Proportional to 454,168, 626,751.84 and 252,976.96

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Solution

The fourth proportional to 454,168, 626,751.84 and 252,976.96 is: 349,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,168 : 626,751.84 = 252,976.96 : x
  2. Step 2: Convert to fraction form
    454,168/626,751.84 = 252,976.96/x
  3. Step 3: Cross multiply
    454,168x = 626,751.84 × 252,976.96
  4. Step 4: Simplify right side
    454,168x = 158,553,775,157.61
  5. Step 5: Solve for x
    x = 158,553,775,157.61/454,168
  6. Step 6: Final answer
    x = 349,108.20

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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.