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Finding the Fourth Proportional to 467,880.34, 645,664.08 and 276,896.92

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Solution

The fourth proportional to 467,880.34, 645,664.08 and 276,896.92 is: 382,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,880.34 : 645,664.08 = 276,896.92 : x
  2. Step 2: Convert to fraction form
    467,880.34/645,664.08 = 276,896.92/x
  3. Step 3: Cross multiply
    467,880.34x = 645,664.08 × 276,896.92
  4. Step 4: Simplify right side
    467,880.34x = 178,782,395,106.63
  5. Step 5: Solve for x
    x = 178,782,395,106.63/467,880.34
  6. Step 6: Final answer
    x = 382,111.36

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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.