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Finding the Fourth Proportional to 198,203,485.95, 297,305,228.93 and 198,203,485.95

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Solution

The fourth proportional to 198,203,485.95, 297,305,228.93 and 198,203,485.95 is: 297,305,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,203,485.95 : 297,305,228.93 = 198,203,485.95 : x
  2. Step 2: Convert to fraction form
    198,203,485.95/297,305,228.93 = 198,203,485.95/x
  3. Step 3: Cross multiply
    198,203,485.95x = 297,305,228.93 × 198,203,485.95
  4. Step 4: Simplify right side
    198,203,485.95x = 58,926,932,764,097,768
  5. Step 5: Solve for x
    x = 58,926,932,764,097,768/198,203,485.95
  6. Step 6: Final answer
    x = 297,305,228.93

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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.