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Finding the Fourth Proportional to 538,317.10, 807,593.88 and 159,208.28

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Solution

The fourth proportional to 538,317.10, 807,593.88 and 159,208.28 is: 238,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,317.10 : 807,593.88 = 159,208.28 : x
  2. Step 2: Convert to fraction form
    538,317.10/807,593.88 = 159,208.28/x
  3. Step 3: Cross multiply
    538,317.10x = 807,593.88 × 159,208.28
  4. Step 4: Simplify right side
    538,317.10x = 128,575,632,573.33
  5. Step 5: Solve for x
    x = 128,575,632,573.33/538,317.10
  6. Step 6: Final answer
    x = 238,847.39

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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.