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Finding the Fourth Proportional to 345,294.42, 476,472.24 and 192,327.48

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Solution

The fourth proportional to 345,294.42, 476,472.24 and 192,327.48 is: 265,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,294.42 : 476,472.24 = 192,327.48 : x
  2. Step 2: Convert to fraction form
    345,294.42/476,472.24 = 192,327.48/x
  3. Step 3: Cross multiply
    345,294.42x = 476,472.24 × 192,327.48
  4. Step 4: Simplify right side
    345,294.42x = 91,638,705,209.16
  5. Step 5: Solve for x
    x = 91,638,705,209.16/345,294.42
  6. Step 6: Final answer
    x = 265,392.95

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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.