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Finding the Fourth Proportional to 451,954.61, 623,736.10 and 248,044.94

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Solution

The fourth proportional to 451,954.61, 623,736.10 and 248,044.94 is: 342,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.61 : 623,736.10 = 248,044.94 : x
  2. Step 2: Convert to fraction form
    451,954.61/623,736.10 = 248,044.94/x
  3. Step 3: Cross multiply
    451,954.61x = 623,736.10 × 248,044.94
  4. Step 4: Simplify right side
    451,954.61x = 154,714,585,143.98
  5. Step 5: Solve for x
    x = 154,714,585,143.98/451,954.61
  6. Step 6: Final answer
    x = 342,323.28

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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.