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Finding the Fourth Proportional to 348,322.38, 522,716.58 and 126,706.38

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Solution

The fourth proportional to 348,322.38, 522,716.58 and 126,706.38 is: 190,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,322.38 : 522,716.58 = 126,706.38 : x
  2. Step 2: Convert to fraction form
    348,322.38/522,716.58 = 126,706.38/x
  3. Step 3: Cross multiply
    348,322.38x = 522,716.58 × 126,706.38
  4. Step 4: Simplify right side
    348,322.38x = 66,231,525,617.78
  5. Step 5: Solve for x
    x = 66,231,525,617.78/348,322.38
  6. Step 6: Final answer
    x = 190,144.33

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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.