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Finding the Fourth Proportional to 299,747.34, 413,370.15 and 192,351.18

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Solution

The fourth proportional to 299,747.34, 413,370.15 and 192,351.18 is: 265,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,747.34 : 413,370.15 = 192,351.18 : x
  2. Step 2: Convert to fraction form
    299,747.34/413,370.15 = 192,351.18/x
  3. Step 3: Cross multiply
    299,747.34x = 413,370.15 × 192,351.18
  4. Step 4: Simplify right side
    299,747.34x = 79,512,236,129.28
  5. Step 5: Solve for x
    x = 79,512,236,129.28/299,747.34
  6. Step 6: Final answer
    x = 265,264.19

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1.5x scale

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.