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Finding the Fourth Proportional to 368,323.80, 552,194.10 and 202,111.80

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Solution

The fourth proportional to 368,323.80, 552,194.10 and 202,111.80 is: 303,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,323.80 : 552,194.10 = 202,111.80 : x
  2. Step 2: Convert to fraction form
    368,323.80/552,194.10 = 202,111.80/x
  3. Step 3: Cross multiply
    368,323.80x = 552,194.10 × 202,111.80
  4. Step 4: Simplify right side
    368,323.80x = 111,604,943,500.38
  5. Step 5: Solve for x
    x = 111,604,943,500.38/368,323.80
  6. Step 6: Final answer
    x = 303,007.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.