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Finding the Fourth Proportional to 622,121.52, 858,483 and 350,175.36

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Solution

The fourth proportional to 622,121.52, 858,483 and 350,175.36 is: 483,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,121.52 : 858,483 = 350,175.36 : x
  2. Step 2: Convert to fraction form
    622,121.52/858,483 = 350,175.36/x
  3. Step 3: Cross multiply
    622,121.52x = 858,483 × 350,175.36
  4. Step 4: Simplify right side
    622,121.52x = 300,619,593,578.88
  5. Step 5: Solve for x
    x = 300,619,593,578.88/622,121.52
  6. Step 6: Final answer
    x = 483,216.84

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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.