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Finding the Fourth Proportional to 303,536.88, 418,937.40 and 174,550.86

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Solution

The fourth proportional to 303,536.88, 418,937.40 and 174,550.86 is: 240,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,536.88 : 418,937.40 = 174,550.86 : x
  2. Step 2: Convert to fraction form
    303,536.88/418,937.40 = 174,550.86/x
  3. Step 3: Cross multiply
    303,536.88x = 418,937.40 × 174,550.86
  4. Step 4: Simplify right side
    303,536.88x = 73,125,883,456.16
  5. Step 5: Solve for x
    x = 73,125,883,456.16/303,536.88
  6. Step 6: Final answer
    x = 240,912.68

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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.