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Finding the Fourth Proportional to 538,442.60, 807,599.10 and 222,866.60

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Solution

The fourth proportional to 538,442.60, 807,599.10 and 222,866.60 is: 334,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,442.60 : 807,599.10 = 222,866.60 : x
  2. Step 2: Convert to fraction form
    538,442.60/807,599.10 = 222,866.60/x
  3. Step 3: Cross multiply
    538,442.60x = 807,599.10 × 222,866.60
  4. Step 4: Simplify right side
    538,442.60x = 179,986,865,580.06
  5. Step 5: Solve for x
    x = 179,986,865,580.06/538,442.60
  6. Step 6: Final answer
    x = 334,273.08

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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.