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Finding the Fourth Proportional to 426,356.19, 588,367.92 and 235,365.48

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Solution

The fourth proportional to 426,356.19, 588,367.92 and 235,365.48 is: 324,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,356.19 : 588,367.92 = 235,365.48 : x
  2. Step 2: Convert to fraction form
    426,356.19/588,367.92 = 235,365.48/x
  3. Step 3: Cross multiply
    426,356.19x = 588,367.92 × 235,365.48
  4. Step 4: Simplify right side
    426,356.19x = 138,481,497,907.40
  5. Step 5: Solve for x
    x = 138,481,497,907.40/426,356.19
  6. Step 6: Final answer
    x = 324,802.36

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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.