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Finding the Fourth Proportional to 543,264.77, 749,704.11 and 301,550.24

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Solution

The fourth proportional to 543,264.77, 749,704.11 and 301,550.24 is: 416,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,264.77 : 749,704.11 = 301,550.24 : x
  2. Step 2: Convert to fraction form
    543,264.77/749,704.11 = 301,550.24/x
  3. Step 3: Cross multiply
    543,264.77x = 749,704.11 × 301,550.24
  4. Step 4: Simplify right side
    543,264.77x = 226,073,455,042.93
  5. Step 5: Solve for x
    x = 226,073,455,042.93/543,264.77
  6. Step 6: Final answer
    x = 416,138.62

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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.