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Finding the Fourth Proportional to 372,980.37, 559,469.91 and 92,497.62

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Solution

The fourth proportional to 372,980.37, 559,469.91 and 92,497.62 is: 138,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,980.37 : 559,469.91 = 92,497.62 : x
  2. Step 2: Convert to fraction form
    372,980.37/559,469.91 = 92,497.62/x
  3. Step 3: Cross multiply
    372,980.37x = 559,469.91 × 92,497.62
  4. Step 4: Simplify right side
    372,980.37x = 51,749,635,136.61
  5. Step 5: Solve for x
    x = 51,749,635,136.61/372,980.37
  6. Step 6: Final answer
    x = 138,746.27

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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.