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Finding the Fourth Proportional to 344,809.71, 475,839.77 and 191,854.37

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Solution

The fourth proportional to 344,809.71, 475,839.77 and 191,854.37 is: 264,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,809.71 : 475,839.77 = 191,854.37 : x
  2. Step 2: Convert to fraction form
    344,809.71/475,839.77 = 191,854.37/x
  3. Step 3: Cross multiply
    344,809.71x = 475,839.77 × 191,854.37
  4. Step 4: Simplify right side
    344,809.71x = 91,291,939,524.62
  5. Step 5: Solve for x
    x = 91,291,939,524.62/344,809.71
  6. Step 6: Final answer
    x = 264,760.35

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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.