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Finding the Fourth Proportional to 373,069.08, 515,007.20 and 220,055.24

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Solution

The fourth proportional to 373,069.08, 515,007.20 and 220,055.24 is: 303,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,069.08 : 515,007.20 = 220,055.24 : x
  2. Step 2: Convert to fraction form
    373,069.08/515,007.20 = 220,055.24/x
  3. Step 3: Cross multiply
    373,069.08x = 515,007.20 × 220,055.24
  4. Step 4: Simplify right side
    373,069.08x = 113,330,032,997.73
  5. Step 5: Solve for x
    x = 113,330,032,997.73/373,069.08
  6. Step 6: Final answer
    x = 303,777.61

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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.