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Finding the Fourth Proportional to 343,626.78, 474,228.63 and 192,733.50

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Solution

The fourth proportional to 343,626.78, 474,228.63 and 192,733.50 is: 265,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,626.78 : 474,228.63 = 192,733.50 : x
  2. Step 2: Convert to fraction form
    343,626.78/474,228.63 = 192,733.50/x
  3. Step 3: Cross multiply
    343,626.78x = 474,228.63 × 192,733.50
  4. Step 4: Simplify right side
    343,626.78x = 91,399,743,660.11
  5. Step 5: Solve for x
    x = 91,399,743,660.11/343,626.78
  6. Step 6: Final answer
    x = 265,985.51

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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.