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Finding the Fourth Proportional to 262,722.11, 361,792.88 and 228,250.89

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Solution

The fourth proportional to 262,722.11, 361,792.88 and 228,250.89 is: 314,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,722.11 : 361,792.88 = 228,250.89 : x
  2. Step 2: Convert to fraction form
    262,722.11/361,792.88 = 228,250.89/x
  3. Step 3: Cross multiply
    262,722.11x = 361,792.88 × 228,250.89
  4. Step 4: Simplify right side
    262,722.11x = 82,579,545,714.41
  5. Step 5: Solve for x
    x = 82,579,545,714.41/262,722.11
  6. Step 6: Final answer
    x = 314,322.79

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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.