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Finding the Fourth Proportional to 275,204.70, 412,807.05 and 164,612.70

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Solution

The fourth proportional to 275,204.70, 412,807.05 and 164,612.70 is: 246,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,204.70 : 412,807.05 = 164,612.70 : x
  2. Step 2: Convert to fraction form
    275,204.70/412,807.05 = 164,612.70/x
  3. Step 3: Cross multiply
    275,204.70x = 412,807.05 × 164,612.70
  4. Step 4: Simplify right side
    275,204.70x = 67,953,283,079.54
  5. Step 5: Solve for x
    x = 67,953,283,079.54/275,204.70
  6. Step 6: Final answer
    x = 246,919.05

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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.