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Finding the Fourth Proportional to 323,943.01, 486,054.86 and 174,008.37

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Solution

The fourth proportional to 323,943.01, 486,054.86 and 174,008.37 is: 261,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,943.01 : 486,054.86 = 174,008.37 : x
  2. Step 2: Convert to fraction form
    323,943.01/486,054.86 = 174,008.37/x
  3. Step 3: Cross multiply
    323,943.01x = 486,054.86 × 174,008.37
  4. Step 4: Simplify right side
    323,943.01x = 84,577,613,919.18
  5. Step 5: Solve for x
    x = 84,577,613,919.18/323,943.01
  6. Step 6: Final answer
    x = 261,087.94

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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.