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Finding the Fourth Proportional to 345,269.98, 476,485.44 and 190,227.58

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Solution

The fourth proportional to 345,269.98, 476,485.44 and 190,227.58 is: 262,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,269.98 : 476,485.44 = 190,227.58 : x
  2. Step 2: Convert to fraction form
    345,269.98/476,485.44 = 190,227.58/x
  3. Step 3: Cross multiply
    345,269.98x = 476,485.44 × 190,227.58
  4. Step 4: Simplify right side
    345,269.98x = 90,640,672,156.44
  5. Step 5: Solve for x
    x = 90,640,672,156.44/345,269.98
  6. Step 6: Final answer
    x = 262,521.15

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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.