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Finding the Fourth Proportional to 337,010.22, 505,652.94 and 217,129.86

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Solution

The fourth proportional to 337,010.22, 505,652.94 and 217,129.86 is: 325,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,010.22 : 505,652.94 = 217,129.86 : x
  2. Step 2: Convert to fraction form
    337,010.22/505,652.94 = 217,129.86/x
  3. Step 3: Cross multiply
    337,010.22x = 505,652.94 × 217,129.86
  4. Step 4: Simplify right side
    337,010.22x = 109,792,352,070.79
  5. Step 5: Solve for x
    x = 109,792,352,070.79/337,010.22
  6. Step 6: Final answer
    x = 325,783.45

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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.