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Finding the Fourth Proportional to 399,602.50, 599,589.78 and 174,933.34

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Solution

The fourth proportional to 399,602.50, 599,589.78 and 174,933.34 is: 262,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,602.50 : 599,589.78 = 174,933.34 : x
  2. Step 2: Convert to fraction form
    399,602.50/599,589.78 = 174,933.34/x
  3. Step 3: Cross multiply
    399,602.50x = 599,589.78 × 174,933.34
  4. Step 4: Simplify right side
    399,602.50x = 104,888,242,845.27
  5. Step 5: Solve for x
    x = 104,888,242,845.27/399,602.50
  6. Step 6: Final answer
    x = 262,481.45

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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.