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Finding the Fourth Proportional to 633,770.10, 950,456.70 and 212,947.56

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Solution

The fourth proportional to 633,770.10, 950,456.70 and 212,947.56 is: 319,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,770.10 : 950,456.70 = 212,947.56 : x
  2. Step 2: Convert to fraction form
    633,770.10/950,456.70 = 212,947.56/x
  3. Step 3: Cross multiply
    633,770.10x = 950,456.70 × 212,947.56
  4. Step 4: Simplify right side
    633,770.10x = 202,397,435,150.65
  5. Step 5: Solve for x
    x = 202,397,435,150.65/633,770.10
  6. Step 6: Final answer
    x = 319,354.66

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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.