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Finding the Fourth Proportional to 345,578.48, 476,840.48 and 192,583.16

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Solution

The fourth proportional to 345,578.48, 476,840.48 and 192,583.16 is: 265,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,578.48 : 476,840.48 = 192,583.16 : x
  2. Step 2: Convert to fraction form
    345,578.48/476,840.48 = 192,583.16/x
  3. Step 3: Cross multiply
    345,578.48x = 476,840.48 × 192,583.16
  4. Step 4: Simplify right side
    345,578.48x = 91,831,446,454.32
  5. Step 5: Solve for x
    x = 91,831,446,454.32/345,578.48
  6. Step 6: Final answer
    x = 265,732.54

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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.