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Finding the Fourth Proportional to 652,940.40, 978,244.20 and 533,967.60

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Solution

The fourth proportional to 652,940.40, 978,244.20 and 533,967.60 is: 799,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,940.40 : 978,244.20 = 533,967.60 : x
  2. Step 2: Convert to fraction form
    652,940.40/978,244.20 = 533,967.60/x
  3. Step 3: Cross multiply
    652,940.40x = 978,244.20 × 533,967.60
  4. Step 4: Simplify right side
    652,940.40x = 522,350,707,687.92
  5. Step 5: Solve for x
    x = 522,350,707,687.92/652,940.40
  6. Step 6: Final answer
    x = 799,997.53

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Why These Related Problems?

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