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Finding the Fourth Proportional to 652,630.41, 978,828.84 and 415,268.01

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Solution

The fourth proportional to 652,630.41, 978,828.84 and 415,268.01 is: 622,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,630.41 : 978,828.84 = 415,268.01 : x
  2. Step 2: Convert to fraction form
    652,630.41/978,828.84 = 415,268.01/x
  3. Step 3: Cross multiply
    652,630.41x = 978,828.84 × 415,268.01
  4. Step 4: Simplify right side
    652,630.41x = 406,476,304,517.41
  5. Step 5: Solve for x
    x = 406,476,304,517.41/652,630.41
  6. Step 6: Final answer
    x = 622,827.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.