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Finding the Fourth Proportional to 348,228.72, 522,168.12 and 161,371.44

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Solution

The fourth proportional to 348,228.72, 522,168.12 and 161,371.44 is: 241,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,228.72 : 522,168.12 = 161,371.44 : x
  2. Step 2: Convert to fraction form
    348,228.72/522,168.12 = 161,371.44/x
  3. Step 3: Cross multiply
    348,228.72x = 522,168.12 × 161,371.44
  4. Step 4: Simplify right side
    348,228.72x = 84,263,021,446.49
  5. Step 5: Solve for x
    x = 84,263,021,446.49/348,228.72
  6. Step 6: Final answer
    x = 241,976.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.