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Finding the Fourth Proportional to 366,833.21, 506,014.81 and 230,651.33

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Solution

The fourth proportional to 366,833.21, 506,014.81 and 230,651.33 is: 318,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,833.21 : 506,014.81 = 230,651.33 : x
  2. Step 2: Convert to fraction form
    366,833.21/506,014.81 = 230,651.33/x
  3. Step 3: Cross multiply
    366,833.21x = 506,014.81 × 230,651.33
  4. Step 4: Simplify right side
    366,833.21x = 116,712,985,819.50
  5. Step 5: Solve for x
    x = 116,712,985,819.50/366,833.21
  6. Step 6: Final answer
    x = 318,163.63

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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.