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Finding the Fourth Proportional to 426,653.26, 588,770.25 and 235,662.55

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Solution

The fourth proportional to 426,653.26, 588,770.25 and 235,662.55 is: 325,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,653.26 : 588,770.25 = 235,662.55 : x
  2. Step 2: Convert to fraction form
    426,653.26/588,770.25 = 235,662.55/x
  3. Step 3: Cross multiply
    426,653.26x = 588,770.25 × 235,662.55
  4. Step 4: Simplify right side
    426,653.26x = 138,751,095,535.29
  5. Step 5: Solve for x
    x = 138,751,095,535.29/426,653.26
  6. Step 6: Final answer
    x = 325,208.10

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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.