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Finding the Fourth Proportional to 350,131.76, 482,694.64 and 295,908.74

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Solution

The fourth proportional to 350,131.76, 482,694.64 and 295,908.74 is: 407,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,131.76 : 482,694.64 = 295,908.74 : x
  2. Step 2: Convert to fraction form
    350,131.76/482,694.64 = 295,908.74/x
  3. Step 3: Cross multiply
    350,131.76x = 482,694.64 × 295,908.74
  4. Step 4: Simplify right side
    350,131.76x = 142,833,562,727.15
  5. Step 5: Solve for x
    x = 142,833,562,727.15/350,131.76
  6. Step 6: Final answer
    x = 407,942.32

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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.