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Finding the Fourth Proportional to 441,392.92, 660,812.74 and 395,812.60

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Solution

The fourth proportional to 441,392.92, 660,812.74 and 395,812.60 is: 592,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,392.92 : 660,812.74 = 395,812.60 : x
  2. Step 2: Convert to fraction form
    441,392.92/660,812.74 = 395,812.60/x
  3. Step 3: Cross multiply
    441,392.92x = 660,812.74 × 395,812.60
  4. Step 4: Simplify right side
    441,392.92x = 261,558,008,732.52
  5. Step 5: Solve for x
    x = 261,558,008,732.52/441,392.92
  6. Step 6: Final answer
    x = 592,574.09

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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.