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Finding the Fourth Proportional to 262,721.99, 361,792.70 and 228,250.77

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Solution

The fourth proportional to 262,721.99, 361,792.70 and 228,250.77 is: 314,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,721.99 : 361,792.70 = 228,250.77 : x
  2. Step 2: Convert to fraction form
    262,721.99/361,792.70 = 228,250.77/x
  3. Step 3: Cross multiply
    262,721.99x = 361,792.70 × 228,250.77
  4. Step 4: Simplify right side
    262,721.99x = 82,579,462,355.38
  5. Step 5: Solve for x
    x = 82,579,462,355.38/262,721.99
  6. Step 6: Final answer
    x = 314,322.61

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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.