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Finding the Fourth Proportional to 335,375.66, 462,909.40 and 197,674.86

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Solution

The fourth proportional to 335,375.66, 462,909.40 and 197,674.86 is: 272,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,375.66 : 462,909.40 = 197,674.86 : x
  2. Step 2: Convert to fraction form
    335,375.66/462,909.40 = 197,674.86/x
  3. Step 3: Cross multiply
    335,375.66x = 462,909.40 × 197,674.86
  4. Step 4: Simplify right side
    335,375.66x = 91,505,550,837.68
  5. Step 5: Solve for x
    x = 91,505,550,837.68/335,375.66
  6. Step 6: Final answer
    x = 272,844.94

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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.