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Finding the Fourth Proportional to 440,880.47, 661,321.06 and 352,694.55

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Solution

The fourth proportional to 440,880.47, 661,321.06 and 352,694.55 is: 529,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,880.47 : 661,321.06 = 352,694.55 : x
  2. Step 2: Convert to fraction form
    440,880.47/661,321.06 = 352,694.55/x
  3. Step 3: Cross multiply
    440,880.47x = 661,321.06 × 352,694.55
  4. Step 4: Simplify right side
    440,880.47x = 233,244,335,260.44
  5. Step 5: Solve for x
    x = 233,244,335,260.44/440,880.47
  6. Step 6: Final answer
    x = 529,042.11

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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.