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Finding the Fourth Proportional to 652,525.40, 978,204.90 and 253,033.40

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Solution

The fourth proportional to 652,525.40, 978,204.90 and 253,033.40 is: 379,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,525.40 : 978,204.90 = 253,033.40 : x
  2. Step 2: Convert to fraction form
    652,525.40/978,204.90 = 253,033.40/x
  3. Step 3: Cross multiply
    652,525.40x = 978,204.90 × 253,033.40
  4. Step 4: Simplify right side
    652,525.40x = 247,518,511,743.66
  5. Step 5: Solve for x
    x = 247,518,511,743.66/652,525.40
  6. Step 6: Final answer
    x = 379,323.95

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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.