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Finding the Fourth Proportional to 666,114.38, 999,249.89 and 233,699.90

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Solution

The fourth proportional to 666,114.38, 999,249.89 and 233,699.90 is: 350,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,114.38 : 999,249.89 = 233,699.90 : x
  2. Step 2: Convert to fraction form
    666,114.38/999,249.89 = 233,699.90/x
  3. Step 3: Cross multiply
    666,114.38x = 999,249.89 × 233,699.90
  4. Step 4: Simplify right side
    666,114.38x = 233,524,593,203.26
  5. Step 5: Solve for x
    x = 233,524,593,203.26/666,114.38
  6. Step 6: Final answer
    x = 350,577.32

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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.