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Finding the Fourth Proportional to 445,584.40, 668,081.40 and 246,000.40

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Solution

The fourth proportional to 445,584.40, 668,081.40 and 246,000.40 is: 368,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,584.40 : 668,081.40 = 246,000.40 : x
  2. Step 2: Convert to fraction form
    445,584.40/668,081.40 = 246,000.40/x
  3. Step 3: Cross multiply
    445,584.40x = 668,081.40 × 246,000.40
  4. Step 4: Simplify right side
    445,584.40x = 164,348,291,632.56
  5. Step 5: Solve for x
    x = 164,348,291,632.56/445,584.40
  6. Step 6: Final answer
    x = 368,837.62

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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.