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Finding the Fourth Proportional to 299,024.39, 412,638.63 and 169,959.53

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Solution

The fourth proportional to 299,024.39, 412,638.63 and 169,959.53 is: 234,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,024.39 : 412,638.63 = 169,959.53 : x
  2. Step 2: Convert to fraction form
    299,024.39/412,638.63 = 169,959.53/x
  3. Step 3: Cross multiply
    299,024.39x = 412,638.63 × 169,959.53
  4. Step 4: Simplify right side
    299,024.39x = 70,131,867,614.64
  5. Step 5: Solve for x
    x = 70,131,867,614.64/299,024.39
  6. Step 6: Final answer
    x = 234,535.61

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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.