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Finding the Fourth Proportional to 373,552.14, 515,559.69 and 220,606.86

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Solution

The fourth proportional to 373,552.14, 515,559.69 and 220,606.86 is: 304,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,552.14 : 515,559.69 = 220,606.86 : x
  2. Step 2: Convert to fraction form
    373,552.14/515,559.69 = 220,606.86/x
  3. Step 3: Cross multiply
    373,552.14x = 515,559.69 × 220,606.86
  4. Step 4: Simplify right side
    373,552.14x = 113,736,004,353.47
  5. Step 5: Solve for x
    x = 113,736,004,353.47/373,552.14
  6. Step 6: Final answer
    x = 304,471.56

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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.