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Finding the Fourth Proportional to 313,611.62, 468,047.36 and 283,344.41

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Solution

The fourth proportional to 313,611.62, 468,047.36 and 283,344.41 is: 422,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,611.62 : 468,047.36 = 283,344.41 : x
  2. Step 2: Convert to fraction form
    313,611.62/468,047.36 = 283,344.41/x
  3. Step 3: Cross multiply
    313,611.62x = 468,047.36 × 283,344.41
  4. Step 4: Simplify right side
    313,611.62x = 132,618,604,949.74
  5. Step 5: Solve for x
    x = 132,618,604,949.74/313,611.62
  6. Step 6: Final answer
    x = 422,875.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.