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Finding the Fourth Proportional to 565,940.06, 780,739.66 and 336,366.90

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Solution

The fourth proportional to 565,940.06, 780,739.66 and 336,366.90 is: 464,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,940.06 : 780,739.66 = 336,366.90 : x
  2. Step 2: Convert to fraction form
    565,940.06/780,739.66 = 336,366.90/x
  3. Step 3: Cross multiply
    565,940.06x = 780,739.66 × 336,366.90
  4. Step 4: Simplify right side
    565,940.06x = 262,614,981,757.54
  5. Step 5: Solve for x
    x = 262,614,981,757.54/565,940.06
  6. Step 6: Final answer
    x = 464,033.20

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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.