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Finding the Fourth Proportional to 476,548.98, 657,696.90 and 272,571.66

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Solution

The fourth proportional to 476,548.98, 657,696.90 and 272,571.66 is: 376,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,548.98 : 657,696.90 = 272,571.66 : x
  2. Step 2: Convert to fraction form
    476,548.98/657,696.90 = 272,571.66/x
  3. Step 3: Cross multiply
    476,548.98x = 657,696.90 × 272,571.66
  4. Step 4: Simplify right side
    476,548.98x = 179,269,535,809.85
  5. Step 5: Solve for x
    x = 179,269,535,809.85/476,548.98
  6. Step 6: Final answer
    x = 376,182.81

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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.