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Finding the Fourth Proportional to 230,767.28, 345,480.56 and 134,410.69

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Solution

The fourth proportional to 230,767.28, 345,480.56 and 134,410.69 is: 201,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,767.28 : 345,480.56 = 134,410.69 : x
  2. Step 2: Convert to fraction form
    230,767.28/345,480.56 = 134,410.69/x
  3. Step 3: Cross multiply
    230,767.28x = 345,480.56 × 134,410.69
  4. Step 4: Simplify right side
    230,767.28x = 46,436,280,715.02
  5. Step 5: Solve for x
    x = 46,436,280,715.02/230,767.28
  6. Step 6: Final answer
    x = 201,225.59

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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.