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Finding the Fourth Proportional to 355,150.80, 533,028.60 and 144,939.60

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Solution

The fourth proportional to 355,150.80, 533,028.60 and 144,939.60 is: 217,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,150.80 : 533,028.60 = 144,939.60 : x
  2. Step 2: Convert to fraction form
    355,150.80/533,028.60 = 144,939.60/x
  3. Step 3: Cross multiply
    355,150.80x = 533,028.60 × 144,939.60
  4. Step 4: Simplify right side
    355,150.80x = 77,256,952,072.56
  5. Step 5: Solve for x
    x = 77,256,952,072.56/355,150.80
  6. Step 6: Final answer
    x = 217,532.81

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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.