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Finding the Fourth Proportional to 525,791.77, 725,592.95 and 284,074.27

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Solution

The fourth proportional to 525,791.77, 725,592.95 and 284,074.27 is: 392,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,791.77 : 725,592.95 = 284,074.27 : x
  2. Step 2: Convert to fraction form
    525,791.77/725,592.95 = 284,074.27/x
  3. Step 3: Cross multiply
    525,791.77x = 725,592.95 × 284,074.27
  4. Step 4: Simplify right side
    525,791.77x = 206,122,286,168.03
  5. Step 5: Solve for x
    x = 206,122,286,168.03/525,791.77
  6. Step 6: Final answer
    x = 392,022.66

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1.5x scale

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.