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Finding the Fourth Proportional to 356,923.39, 492,554.25 and 206,020.39

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Solution

The fourth proportional to 356,923.39, 492,554.25 and 206,020.39 is: 284,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,923.39 : 492,554.25 = 206,020.39 : x
  2. Step 2: Convert to fraction form
    356,923.39/492,554.25 = 206,020.39/x
  3. Step 3: Cross multiply
    356,923.39x = 492,554.25 × 206,020.39
  4. Step 4: Simplify right side
    356,923.39x = 101,476,218,681.16
  5. Step 5: Solve for x
    x = 101,476,218,681.16/356,923.39
  6. Step 6: Final answer
    x = 284,308.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.