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Finding the Fourth Proportional to 681,833.16, 940,539.60 and 426,741.48

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Solution

The fourth proportional to 681,833.16, 940,539.60 and 426,741.48 is: 588,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,833.16 : 940,539.60 = 426,741.48 : x
  2. Step 2: Convert to fraction form
    681,833.16/940,539.60 = 426,741.48/x
  3. Step 3: Cross multiply
    681,833.16x = 940,539.60 × 426,741.48
  4. Step 4: Simplify right side
    681,833.16x = 401,367,260,902.61
  5. Step 5: Solve for x
    x = 401,367,260,902.61/681,833.16
  6. Step 6: Final answer
    x = 588,659.05

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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.