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Finding the Fourth Proportional to 343,602, 474,171.03 and 192,699

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Solution

The fourth proportional to 343,602, 474,171.03 and 192,699 is: 265,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,602 : 474,171.03 = 192,699 : x
  2. Step 2: Convert to fraction form
    343,602/474,171.03 = 192,699/x
  3. Step 3: Cross multiply
    343,602x = 474,171.03 × 192,699
  4. Step 4: Simplify right side
    343,602x = 91,372,283,309.97
  5. Step 5: Solve for x
    x = 91,372,283,309.97/343,602
  6. Step 6: Final answer
    x = 265,924.77

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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.