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Finding the Fourth Proportional to 466,963.02, 644,365.26 and 275,939.91

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Solution

The fourth proportional to 466,963.02, 644,365.26 and 275,939.91 is: 380,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,963.02 : 644,365.26 = 275,939.91 : x
  2. Step 2: Convert to fraction form
    466,963.02/644,365.26 = 275,939.91/x
  3. Step 3: Cross multiply
    466,963.02x = 644,365.26 × 275,939.91
  4. Step 4: Simplify right side
    466,963.02x = 177,806,091,851.53
  5. Step 5: Solve for x
    x = 177,806,091,851.53/466,963.02
  6. Step 6: Final answer
    x = 380,771.25

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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.