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Finding the Fourth Proportional to 348,399.66, 522,651.42 and 123,741.22

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Solution

The fourth proportional to 348,399.66, 522,651.42 and 123,741.22 is: 185,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,399.66 : 522,651.42 = 123,741.22 : x
  2. Step 2: Convert to fraction form
    348,399.66/522,651.42 = 123,741.22/x
  3. Step 3: Cross multiply
    348,399.66x = 522,651.42 × 123,741.22
  4. Step 4: Simplify right side
    348,399.66x = 64,673,524,345.53
  5. Step 5: Solve for x
    x = 64,673,524,345.53/348,399.66
  6. Step 6: Final answer
    x = 185,630.27

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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.