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Finding the Fourth Proportional to 541,128.30, 746,622.54 and 349,911.60

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Solution

The fourth proportional to 541,128.30, 746,622.54 and 349,911.60 is: 482,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,128.30 : 746,622.54 = 349,911.60 : x
  2. Step 2: Convert to fraction form
    541,128.30/746,622.54 = 349,911.60/x
  3. Step 3: Cross multiply
    541,128.30x = 746,622.54 × 349,911.60
  4. Step 4: Simplify right side
    541,128.30x = 261,251,887,567.46
  5. Step 5: Solve for x
    x = 261,251,887,567.46/541,128.30
  6. Step 6: Final answer
    x = 482,791.03

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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.