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Finding the Fourth Proportional to 454,093.46, 626,698.20 and 250,165.28

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Solution

The fourth proportional to 454,093.46, 626,698.20 and 250,165.28 is: 345,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,093.46 : 626,698.20 = 250,165.28 : x
  2. Step 2: Convert to fraction form
    454,093.46/626,698.20 = 250,165.28/x
  3. Step 3: Cross multiply
    454,093.46x = 626,698.20 × 250,165.28
  4. Step 4: Simplify right side
    454,093.46x = 156,778,128,251.00
  5. Step 5: Solve for x
    x = 156,778,128,251.00/454,093.46
  6. Step 6: Final answer
    x = 345,255.20

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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.