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Finding the Fourth Proportional to 369,051.44, 509,328.61 and 225,906.08

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Solution

The fourth proportional to 369,051.44, 509,328.61 and 225,906.08 is: 311,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,051.44 : 509,328.61 = 225,906.08 : x
  2. Step 2: Convert to fraction form
    369,051.44/509,328.61 = 225,906.08/x
  3. Step 3: Cross multiply
    369,051.44x = 509,328.61 × 225,906.08
  4. Step 4: Simplify right side
    369,051.44x = 115,060,426,605.54
  5. Step 5: Solve for x
    x = 115,060,426,605.54/369,051.44
  6. Step 6: Final answer
    x = 311,773.42

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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.