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Finding the Fourth Proportional to 372,783.87, 514,371.06 and 236,839.95

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Solution

The fourth proportional to 372,783.87, 514,371.06 and 236,839.95 is: 326,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,783.87 : 514,371.06 = 236,839.95 : x
  2. Step 2: Convert to fraction form
    372,783.87/514,371.06 = 236,839.95/x
  3. Step 3: Cross multiply
    372,783.87x = 514,371.06 × 236,839.95
  4. Step 4: Simplify right side
    372,783.87x = 121,823,616,131.85
  5. Step 5: Solve for x
    x = 121,823,616,131.85/372,783.87
  6. Step 6: Final answer
    x = 326,794.23

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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.