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Finding the Fourth Proportional to 454,041.72, 626,789.88 and 263,017.80

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Solution

The fourth proportional to 454,041.72, 626,789.88 and 263,017.80 is: 363,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,041.72 : 626,789.88 = 263,017.80 : x
  2. Step 2: Convert to fraction form
    454,041.72/626,789.88 = 263,017.80/x
  3. Step 3: Cross multiply
    454,041.72x = 626,789.88 × 263,017.80
  4. Step 4: Simplify right side
    454,041.72x = 164,856,895,299.86
  5. Step 5: Solve for x
    x = 164,856,895,299.86/454,041.72
  6. Step 6: Final answer
    x = 363,087.55

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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.