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Finding the Fourth Proportional to 600,990.75, 829,364.40 and 325,348.83

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Solution

The fourth proportional to 600,990.75, 829,364.40 and 325,348.83 is: 448,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,990.75 : 829,364.40 = 325,348.83 : x
  2. Step 2: Convert to fraction form
    600,990.75/829,364.40 = 325,348.83/x
  3. Step 3: Cross multiply
    600,990.75x = 829,364.40 × 325,348.83
  4. Step 4: Simplify right side
    600,990.75x = 269,832,737,183.65
  5. Step 5: Solve for x
    x = 269,832,737,183.65/600,990.75
  6. Step 6: Final answer
    x = 448,979.85

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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.