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Finding the Fourth Proportional to 204,377.39, 308,485.86 and 204,377.39

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Solution

The fourth proportional to 204,377.39, 308,485.86 and 204,377.39 is: 308,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,377.39 : 308,485.86 = 204,377.39 : x
  2. Step 2: Convert to fraction form
    204,377.39/308,485.86 = 204,377.39/x
  3. Step 3: Cross multiply
    204,377.39x = 308,485.86 × 204,377.39
  4. Step 4: Simplify right side
    204,377.39x = 63,047,534,918.71
  5. Step 5: Solve for x
    x = 63,047,534,918.71/204,377.39
  6. Step 6: Final answer
    x = 308,485.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.