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Finding the Fourth Proportional to 652,368.44, 978,643.92 and 203,121.92

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Solution

The fourth proportional to 652,368.44, 978,643.92 and 203,121.92 is: 304,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,368.44 : 978,643.92 = 203,121.92 : x
  2. Step 2: Convert to fraction form
    652,368.44/978,643.92 = 203,121.92/x
  3. Step 3: Cross multiply
    652,368.44x = 978,643.92 × 203,121.92
  4. Step 4: Simplify right side
    652,368.44x = 198,784,032,026.73
  5. Step 5: Solve for x
    x = 198,784,032,026.73/652,368.44
  6. Step 6: Final answer
    x = 304,711.29

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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.