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Finding the Fourth Proportional to 253,497.60, 350,503.20 and 222,004.80

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Solution

The fourth proportional to 253,497.60, 350,503.20 and 222,004.80 is: 306,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,497.60 : 350,503.20 = 222,004.80 : x
  2. Step 2: Convert to fraction form
    253,497.60/350,503.20 = 222,004.80/x
  3. Step 3: Cross multiply
    253,497.60x = 350,503.20 × 222,004.80
  4. Step 4: Simplify right side
    253,497.60x = 77,813,392,815.36
  5. Step 5: Solve for x
    x = 77,813,392,815.36/253,497.60
  6. Step 6: Final answer
    x = 306,959.09

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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.