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Finding the Fourth Proportional to 454,105, 626,684.34 and 252,901

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Solution

The fourth proportional to 454,105, 626,684.34 and 252,901 is: 349,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,105 : 626,684.34 = 252,901 : x
  2. Step 2: Convert to fraction form
    454,105/626,684.34 = 252,901/x
  3. Step 3: Cross multiply
    454,105x = 626,684.34 × 252,901
  4. Step 4: Simplify right side
    454,105x = 158,489,096,270.34
  5. Step 5: Solve for x
    x = 158,489,096,270.34/454,105
  6. Step 6: Final answer
    x = 349,014.21

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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.