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Finding the Fourth Proportional to 454,082.88, 626,634.52 and 263,206.98

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Solution

The fourth proportional to 454,082.88, 626,634.52 and 263,206.98 is: 363,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,082.88 : 626,634.52 = 263,206.98 : x
  2. Step 2: Convert to fraction form
    454,082.88/626,634.52 = 263,206.98/x
  3. Step 3: Cross multiply
    454,082.88x = 626,634.52 × 263,206.98
  4. Step 4: Simplify right side
    454,082.88x = 164,934,579,572.95
  5. Step 5: Solve for x
    x = 164,934,579,572.95/454,082.88
  6. Step 6: Final answer
    x = 363,225.72

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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.