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Finding the Fourth Proportional to 225,357.70, 337,550.54 and 212,108.56

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Solution

The fourth proportional to 225,357.70, 337,550.54 and 212,108.56 is: 317,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,357.70 : 337,550.54 = 212,108.56 : x
  2. Step 2: Convert to fraction form
    225,357.70/337,550.54 = 212,108.56/x
  3. Step 3: Cross multiply
    225,357.70x = 337,550.54 × 212,108.56
  4. Step 4: Simplify right side
    225,357.70x = 71,597,358,966.62
  5. Step 5: Solve for x
    x = 71,597,358,966.62/225,357.70
  6. Step 6: Final answer
    x = 317,705.40

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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.