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Finding the Fourth Proportional to 373,092.77, 514,804.99 and 209,727.54

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Solution

The fourth proportional to 373,092.77, 514,804.99 and 209,727.54 is: 289,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,092.77 : 514,804.99 = 209,727.54 : x
  2. Step 2: Convert to fraction form
    373,092.77/514,804.99 = 209,727.54/x
  3. Step 3: Cross multiply
    373,092.77x = 514,804.99 × 209,727.54
  4. Step 4: Simplify right side
    373,092.77x = 107,968,783,083.79
  5. Step 5: Solve for x
    x = 107,968,783,083.79/373,092.77
  6. Step 6: Final answer
    x = 289,388.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.