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Finding the Fourth Proportional to 591,709.04, 816,359.16 and 336,879.92

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Solution

The fourth proportional to 591,709.04, 816,359.16 and 336,879.92 is: 464,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,709.04 : 816,359.16 = 336,879.92 : x
  2. Step 2: Convert to fraction form
    591,709.04/816,359.16 = 336,879.92/x
  3. Step 3: Cross multiply
    591,709.04x = 816,359.16 × 336,879.92
  4. Step 4: Simplify right side
    591,709.04x = 275,015,008,512.07
  5. Step 5: Solve for x
    x = 275,015,008,512.07/591,709.04
  6. Step 6: Final answer
    x = 464,780.81

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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.