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Finding the Fourth Proportional to 399,559.48, 599,426.86 and 150,241.48

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Solution

The fourth proportional to 399,559.48, 599,426.86 and 150,241.48 is: 225,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,559.48 : 599,426.86 = 150,241.48 : x
  2. Step 2: Convert to fraction form
    399,559.48/599,426.86 = 150,241.48/x
  3. Step 3: Cross multiply
    399,559.48x = 599,426.86 × 150,241.48
  4. Step 4: Simplify right side
    399,559.48x = 90,058,778,598.15
  5. Step 5: Solve for x
    x = 90,058,778,598.15/399,559.48
  6. Step 6: Final answer
    x = 225,395.17

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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.