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Finding the Fourth Proportional to 373,995.72, 516,151.47 and 223,092.72

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Solution

The fourth proportional to 373,995.72, 516,151.47 and 223,092.72 is: 307,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,995.72 : 516,151.47 = 223,092.72 : x
  2. Step 2: Convert to fraction form
    373,995.72/516,151.47 = 223,092.72/x
  3. Step 3: Cross multiply
    373,995.72x = 516,151.47 × 223,092.72
  4. Step 4: Simplify right side
    373,995.72x = 115,149,635,374.30
  5. Step 5: Solve for x
    x = 115,149,635,374.30/373,995.72
  6. Step 6: Final answer
    x = 307,890.25

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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.