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Finding the Fourth Proportional to 373,851.36, 516,589.40 and 266,234.56

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Solution

The fourth proportional to 373,851.36, 516,589.40 and 266,234.56 is: 367,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,851.36 : 516,589.40 = 266,234.56 : x
  2. Step 2: Convert to fraction form
    373,851.36/516,589.40 = 266,234.56/x
  3. Step 3: Cross multiply
    373,851.36x = 516,589.40 × 266,234.56
  4. Step 4: Simplify right side
    373,851.36x = 137,533,951,609.66
  5. Step 5: Solve for x
    x = 137,533,951,609.66/373,851.36
  6. Step 6: Final answer
    x = 367,884.05

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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.