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Finding the Fourth Proportional to 356,240.77, 534,396.26 and 103,523.47

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Solution

The fourth proportional to 356,240.77, 534,396.26 and 103,523.47 is: 155,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,240.77 : 534,396.26 = 103,523.47 : x
  2. Step 2: Convert to fraction form
    356,240.77/534,396.26 = 103,523.47/x
  3. Step 3: Cross multiply
    356,240.77x = 534,396.26 × 103,523.47
  4. Step 4: Simplify right side
    356,240.77x = 55,322,555,190.22
  5. Step 5: Solve for x
    x = 55,322,555,190.22/356,240.77
  6. Step 6: Final answer
    x = 155,295.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.