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Finding the Fourth Proportional to 538,543.56, 807,786.09 and 164,566.56

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Solution

The fourth proportional to 538,543.56, 807,786.09 and 164,566.56 is: 246,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,543.56 : 807,786.09 = 164,566.56 : x
  2. Step 2: Convert to fraction form
    538,543.56/807,786.09 = 164,566.56/x
  3. Step 3: Cross multiply
    538,543.56x = 807,786.09 × 164,566.56
  4. Step 4: Simplify right side
    538,543.56x = 132,934,578,047.15
  5. Step 5: Solve for x
    x = 132,934,578,047.15/538,543.56
  6. Step 6: Final answer
    x = 246,840.90

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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.