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Finding the Fourth Proportional to 263,963.64, 395,941.38 and 64,283.70

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Solution

The fourth proportional to 263,963.64, 395,941.38 and 64,283.70 is: 96,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,963.64 : 395,941.38 = 64,283.70 : x
  2. Step 2: Convert to fraction form
    263,963.64/395,941.38 = 64,283.70/x
  3. Step 3: Cross multiply
    263,963.64x = 395,941.38 × 64,283.70
  4. Step 4: Simplify right side
    263,963.64x = 25,452,576,889.51
  5. Step 5: Solve for x
    x = 25,452,576,889.51/263,963.64
  6. Step 6: Final answer
    x = 96,424.56

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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.