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Finding the Fourth Proportional to 308,349.88, 425,525.76 and 181,027.60

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Solution

The fourth proportional to 308,349.88, 425,525.76 and 181,027.60 is: 249,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,349.88 : 425,525.76 = 181,027.60 : x
  2. Step 2: Convert to fraction form
    308,349.88/425,525.76 = 181,027.60/x
  3. Step 3: Cross multiply
    308,349.88x = 425,525.76 × 181,027.60
  4. Step 4: Simplify right side
    308,349.88x = 77,031,907,070.98
  5. Step 5: Solve for x
    x = 77,031,907,070.98/308,349.88
  6. Step 6: Final answer
    x = 249,819.81

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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.