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Finding the Fourth Proportional to 621,753.36, 932,530.52 and 222,319.60

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Solution

The fourth proportional to 621,753.36, 932,530.52 and 222,319.60 is: 333,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,753.36 : 932,530.52 = 222,319.60 : x
  2. Step 2: Convert to fraction form
    621,753.36/932,530.52 = 222,319.60/x
  3. Step 3: Cross multiply
    621,753.36x = 932,530.52 × 222,319.60
  4. Step 4: Simplify right side
    621,753.36x = 207,319,812,194.19
  5. Step 5: Solve for x
    x = 207,319,812,194.19/621,753.36
  6. Step 6: Final answer
    x = 333,443.81

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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.