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Finding the Fourth Proportional to 373,997.25, 516,153.56 and 223,094.25

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Solution

The fourth proportional to 373,997.25, 516,153.56 and 223,094.25 is: 307,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,997.25 : 516,153.56 = 223,094.25 : x
  2. Step 2: Convert to fraction form
    373,997.25/516,153.56 = 223,094.25/x
  3. Step 3: Cross multiply
    373,997.25x = 516,153.56 × 223,094.25
  4. Step 4: Simplify right side
    373,997.25x = 115,150,890,237.56
  5. Step 5: Solve for x
    x = 115,150,890,237.56/373,997.25
  6. Step 6: Final answer
    x = 307,892.34

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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.