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Finding the Fourth Proportional to 287,227.33, 396,364.72 and 166,370.98

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Solution

The fourth proportional to 287,227.33, 396,364.72 and 166,370.98 is: 229,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,227.33 : 396,364.72 = 166,370.98 : x
  2. Step 2: Convert to fraction form
    287,227.33/396,364.72 = 166,370.98/x
  3. Step 3: Cross multiply
    287,227.33x = 396,364.72 × 166,370.98
  4. Step 4: Simplify right side
    287,227.33x = 65,943,586,084.20
  5. Step 5: Solve for x
    x = 65,943,586,084.20/287,227.33
  6. Step 6: Final answer
    x = 229,586.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.