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Finding the Fourth Proportional to 262,443.90, 368,121.30 and 262,443.90

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Solution

The fourth proportional to 262,443.90, 368,121.30 and 262,443.90 is: 368,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,443.90 : 368,121.30 = 262,443.90 : x
  2. Step 2: Convert to fraction form
    262,443.90/368,121.30 = 262,443.90/x
  3. Step 3: Cross multiply
    262,443.90x = 368,121.30 × 262,443.90
  4. Step 4: Simplify right side
    262,443.90x = 96,611,189,645.07
  5. Step 5: Solve for x
    x = 96,611,189,645.07/262,443.90
  6. Step 6: Final answer
    x = 368,121.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.