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Finding the Fourth Proportional to 299,023.39, 412,637.25 and 169,958.53

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Solution

The fourth proportional to 299,023.39, 412,637.25 and 169,958.53 is: 234,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,023.39 : 412,637.25 = 169,958.53 : x
  2. Step 2: Convert to fraction form
    299,023.39/412,637.25 = 169,958.53/x
  3. Step 3: Cross multiply
    299,023.39x = 412,637.25 × 169,958.53
  4. Step 4: Simplify right side
    299,023.39x = 70,131,220,433.24
  5. Step 5: Solve for x
    x = 70,131,220,433.24/299,023.39
  6. Step 6: Final answer
    x = 234,534.23

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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.