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Finding the Fourth Proportional to 293,600.40, 440,400.60 and 136,136.40

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Solution

The fourth proportional to 293,600.40, 440,400.60 and 136,136.40 is: 204,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,600.40 : 440,400.60 = 136,136.40 : x
  2. Step 2: Convert to fraction form
    293,600.40/440,400.60 = 136,136.40/x
  3. Step 3: Cross multiply
    293,600.40x = 440,400.60 × 136,136.40
  4. Step 4: Simplify right side
    293,600.40x = 59,954,552,241.84
  5. Step 5: Solve for x
    x = 59,954,552,241.84/293,600.40
  6. Step 6: Final answer
    x = 204,204.60

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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.