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Finding the Fourth Proportional to 499,995.54, 749,837.76 and 167,493.78

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Solution

The fourth proportional to 499,995.54, 749,837.76 and 167,493.78 is: 251,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,995.54 : 749,837.76 = 167,493.78 : x
  2. Step 2: Convert to fraction form
    499,995.54/749,837.76 = 167,493.78/x
  3. Step 3: Cross multiply
    499,995.54x = 749,837.76 × 167,493.78
  4. Step 4: Simplify right side
    499,995.54x = 125,593,160,809.13
  5. Step 5: Solve for x
    x = 125,593,160,809.13/499,995.54
  6. Step 6: Final answer
    x = 251,188.56

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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.