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Finding the Fourth Proportional to 275,297.70, 412,929.96 and 163,688.17

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Solution

The fourth proportional to 275,297.70, 412,929.96 and 163,688.17 is: 245,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,297.70 : 412,929.96 = 163,688.17 : x
  2. Step 2: Convert to fraction form
    275,297.70/412,929.96 = 163,688.17/x
  3. Step 3: Cross multiply
    275,297.70x = 412,929.96 × 163,688.17
  4. Step 4: Simplify right side
    275,297.70x = 67,591,750,053.04
  5. Step 5: Solve for x
    x = 67,591,750,053.04/275,297.70
  6. Step 6: Final answer
    x = 245,522.39

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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.