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Finding the Fourth Proportional to 346,379.68, 519,557.22 and 133,092.64

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Solution

The fourth proportional to 346,379.68, 519,557.22 and 133,092.64 is: 199,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,379.68 : 519,557.22 = 133,092.64 : x
  2. Step 2: Convert to fraction form
    346,379.68/519,557.22 = 133,092.64/x
  3. Step 3: Cross multiply
    346,379.68x = 519,557.22 × 133,092.64
  4. Step 4: Simplify right side
    346,379.68x = 69,149,242,040.86
  5. Step 5: Solve for x
    x = 69,149,242,040.86/346,379.68
  6. Step 6: Final answer
    x = 199,634.23

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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.