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Finding the Fourth Proportional to 254,690.60, 351,452.45 and 147,267.59

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Solution

The fourth proportional to 254,690.60, 351,452.45 and 147,267.59 is: 203,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.60 : 351,452.45 = 147,267.59 : x
  2. Step 2: Convert to fraction form
    254,690.60/351,452.45 = 147,267.59/x
  3. Step 3: Cross multiply
    254,690.60x = 351,452.45 × 147,267.59
  4. Step 4: Simplify right side
    254,690.60x = 51,757,553,922.00
  5. Step 5: Solve for x
    x = 51,757,553,922.00/254,690.60
  6. Step 6: Final answer
    x = 203,217.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.