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Finding the Fourth Proportional to 355,180.80, 533,073.60 and 144,969.60

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Solution

The fourth proportional to 355,180.80, 533,073.60 and 144,969.60 is: 217,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,180.80 : 533,073.60 = 144,969.60 : x
  2. Step 2: Convert to fraction form
    355,180.80/533,073.60 = 144,969.60/x
  3. Step 3: Cross multiply
    355,180.80x = 533,073.60 × 144,969.60
  4. Step 4: Simplify right side
    355,180.80x = 77,279,466,562.56
  5. Step 5: Solve for x
    x = 77,279,466,562.56/355,180.80
  6. Step 6: Final answer
    x = 217,577.83

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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.