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Finding the Fourth Proportional to 352,641.06, 486,674.81 and 199,706.27

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Solution

The fourth proportional to 352,641.06, 486,674.81 and 199,706.27 is: 275,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,641.06 : 486,674.81 = 199,706.27 : x
  2. Step 2: Convert to fraction form
    352,641.06/486,674.81 = 199,706.27/x
  3. Step 3: Cross multiply
    352,641.06x = 486,674.81 × 199,706.27
  4. Step 4: Simplify right side
    352,641.06x = 97,192,007,576.15
  5. Step 5: Solve for x
    x = 97,192,007,576.15/352,641.06
  6. Step 6: Final answer
    x = 275,611.72

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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.