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Finding the Fourth Proportional to 426,701.21, 588,842.61 and 233,107.97

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Solution

The fourth proportional to 426,701.21, 588,842.61 and 233,107.97 is: 321,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,701.21 : 588,842.61 = 233,107.97 : x
  2. Step 2: Convert to fraction form
    426,701.21/588,842.61 = 233,107.97/x
  3. Step 3: Cross multiply
    426,701.21x = 588,842.61 × 233,107.97
  4. Step 4: Simplify right side
    426,701.21x = 137,263,905,466.60
  5. Step 5: Solve for x
    x = 137,263,905,466.60/426,701.21
  6. Step 6: Final answer
    x = 321,686.23

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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.