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Finding the Fourth Proportional to 265,493.41, 366,379.47 and 144,634.42

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Solution

The fourth proportional to 265,493.41, 366,379.47 and 144,634.42 is: 199,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,493.41 : 366,379.47 = 144,634.42 : x
  2. Step 2: Convert to fraction form
    265,493.41/366,379.47 = 144,634.42/x
  3. Step 3: Cross multiply
    265,493.41x = 366,379.47 × 144,634.42
  4. Step 4: Simplify right side
    265,493.41x = 52,991,082,143.36
  5. Step 5: Solve for x
    x = 52,991,082,143.36/265,493.41
  6. Step 6: Final answer
    x = 199,594.72

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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.