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Finding the Fourth Proportional to 401,773.68, 599,110.80 and 398,167.56

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Solution

The fourth proportional to 401,773.68, 599,110.80 and 398,167.56 is: 593,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,773.68 : 599,110.80 = 398,167.56 : x
  2. Step 2: Convert to fraction form
    401,773.68/599,110.80 = 398,167.56/x
  3. Step 3: Cross multiply
    401,773.68x = 599,110.80 × 398,167.56
  4. Step 4: Simplify right side
    401,773.68x = 238,546,485,405.65
  5. Step 5: Solve for x
    x = 238,546,485,405.65/401,773.68
  6. Step 6: Final answer
    x = 593,733.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.