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Finding the Fourth Proportional to 373,995, 516,150.45 and 223,092

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Solution

The fourth proportional to 373,995, 516,150.45 and 223,092 is: 307,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,995 : 516,150.45 = 223,092 : x
  2. Step 2: Convert to fraction form
    373,995/516,150.45 = 223,092/x
  3. Step 3: Cross multiply
    373,995x = 516,150.45 × 223,092
  4. Step 4: Simplify right side
    373,995x = 115,149,036,191.40
  5. Step 5: Solve for x
    x = 115,149,036,191.40/373,995
  6. Step 6: Final answer
    x = 307,889.24

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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.