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Finding the Fourth Proportional to 503,679.51, 755,519.40 and 166,629.60

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Solution

The fourth proportional to 503,679.51, 755,519.40 and 166,629.60 is: 249,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,679.51 : 755,519.40 = 166,629.60 : x
  2. Step 2: Convert to fraction form
    503,679.51/755,519.40 = 166,629.60/x
  3. Step 3: Cross multiply
    503,679.51x = 755,519.40 × 166,629.60
  4. Step 4: Simplify right side
    503,679.51x = 125,891,895,414.24
  5. Step 5: Solve for x
    x = 125,891,895,414.24/503,679.51
  6. Step 6: Final answer
    x = 249,944.44

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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.