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Finding the Fourth Proportional to 652,807.92, 978,424.44 and 337,092.72

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Solution

The fourth proportional to 652,807.92, 978,424.44 and 337,092.72 is: 505,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,807.92 : 978,424.44 = 337,092.72 : x
  2. Step 2: Convert to fraction form
    652,807.92/978,424.44 = 337,092.72/x
  3. Step 3: Cross multiply
    652,807.92x = 978,424.44 × 337,092.72
  4. Step 4: Simplify right side
    652,807.92x = 329,819,755,794.08
  5. Step 5: Solve for x
    x = 329,819,755,794.08/652,807.92
  6. Step 6: Final answer
    x = 505,232.47

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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.