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Finding the Fourth Proportional to 426,007.26, 587,892 and 235,020.60

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Solution

The fourth proportional to 426,007.26, 587,892 and 235,020.60 is: 324,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,007.26 : 587,892 = 235,020.60 : x
  2. Step 2: Convert to fraction form
    426,007.26/587,892 = 235,020.60/x
  3. Step 3: Cross multiply
    426,007.26x = 587,892 × 235,020.60
  4. Step 4: Simplify right side
    426,007.26x = 138,166,730,575.20
  5. Step 5: Solve for x
    x = 138,166,730,575.20/426,007.26
  6. Step 6: Final answer
    x = 324,329.52

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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.