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Finding the Fourth Proportional to 310,396.80, 465,611.58 and 132,724.92

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Solution

The fourth proportional to 310,396.80, 465,611.58 and 132,724.92 is: 199,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,396.80 : 465,611.58 = 132,724.92 : x
  2. Step 2: Convert to fraction form
    310,396.80/465,611.58 = 132,724.92/x
  3. Step 3: Cross multiply
    310,396.80x = 465,611.58 × 132,724.92
  4. Step 4: Simplify right side
    310,396.80x = 61,798,259,706.57
  5. Step 5: Solve for x
    x = 61,798,259,706.57/310,396.80
  6. Step 6: Final answer
    x = 199,094.38

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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.