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Finding the Fourth Proportional to 316,046.15, 474,007.37 and 263,078.37

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Solution

The fourth proportional to 316,046.15, 474,007.37 and 263,078.37 is: 394,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,046.15 : 474,007.37 = 263,078.37 : x
  2. Step 2: Convert to fraction form
    316,046.15/474,007.37 = 263,078.37/x
  3. Step 3: Cross multiply
    316,046.15x = 474,007.37 × 263,078.37
  4. Step 4: Simplify right side
    316,046.15x = 124,701,086,334.23
  5. Step 5: Solve for x
    x = 124,701,086,334.23/316,046.15
  6. Step 6: Final answer
    x = 394,566.07

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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.