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Finding the Fourth Proportional to 299,630.94, 413,472.38 and 163,637.34

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Solution

The fourth proportional to 299,630.94, 413,472.38 and 163,637.34 is: 225,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,630.94 : 413,472.38 = 163,637.34 : x
  2. Step 2: Convert to fraction form
    299,630.94/413,472.38 = 163,637.34/x
  3. Step 3: Cross multiply
    299,630.94x = 413,472.38 × 163,637.34
  4. Step 4: Simplify right side
    299,630.94x = 67,659,519,608.48
  5. Step 5: Solve for x
    x = 67,659,519,608.48/299,630.94
  6. Step 6: Final answer
    x = 225,809.52

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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.