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Finding the Fourth Proportional to 454,083.88, 626,635.90 and 263,207.98

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Solution

The fourth proportional to 454,083.88, 626,635.90 and 263,207.98 is: 363,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,083.88 : 626,635.90 = 263,207.98 : x
  2. Step 2: Convert to fraction form
    454,083.88/626,635.90 = 263,207.98/x
  3. Step 3: Cross multiply
    454,083.88x = 626,635.90 × 263,207.98
  4. Step 4: Simplify right side
    454,083.88x = 164,935,569,434.48
  5. Step 5: Solve for x
    x = 164,935,569,434.48/454,083.88
  6. Step 6: Final answer
    x = 363,227.10

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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.