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Finding the Fourth Proportional to 538,336.60, 807,440.10 and 222,760.60

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Solution

The fourth proportional to 538,336.60, 807,440.10 and 222,760.60 is: 334,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,336.60 : 807,440.10 = 222,760.60 : x
  2. Step 2: Convert to fraction form
    538,336.60/807,440.10 = 222,760.60/x
  3. Step 3: Cross multiply
    538,336.60x = 807,440.10 × 222,760.60
  4. Step 4: Simplify right side
    538,336.60x = 179,865,841,140.06
  5. Step 5: Solve for x
    x = 179,865,841,140.06/538,336.60
  6. Step 6: Final answer
    x = 334,114.09

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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.