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Finding the Fourth Proportional to 454,077.88, 626,627.62 and 263,201.98

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Solution

The fourth proportional to 454,077.88, 626,627.62 and 263,201.98 is: 363,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,077.88 : 626,627.62 = 263,201.98 : x
  2. Step 2: Convert to fraction form
    454,077.88/626,627.62 = 263,201.98/x
  3. Step 3: Cross multiply
    454,077.88x = 626,627.62 × 263,201.98
  4. Step 4: Simplify right side
    454,077.88x = 164,929,630,306.69
  5. Step 5: Solve for x
    x = 164,929,630,306.69/454,077.88
  6. Step 6: Final answer
    x = 363,218.82

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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.