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Finding the Fourth Proportional to 501,199.64, 751,778.80 and 181,359.09

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Solution

The fourth proportional to 501,199.64, 751,778.80 and 181,359.09 is: 272,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,199.64 : 751,778.80 = 181,359.09 : x
  2. Step 2: Convert to fraction form
    501,199.64/751,778.80 = 181,359.09/x
  3. Step 3: Cross multiply
    501,199.64x = 751,778.80 × 181,359.09
  4. Step 4: Simplify right side
    501,199.64x = 136,341,919,049.29
  5. Step 5: Solve for x
    x = 136,341,919,049.29/501,199.64
  6. Step 6: Final answer
    x = 272,031.16

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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.