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Finding the Fourth Proportional to 203,586,646.60, 305,379,969.90 and 203,586,646.60

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Solution

The fourth proportional to 203,586,646.60, 305,379,969.90 and 203,586,646.60 is: 305,379,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,586,646.60 : 305,379,969.90 = 203,586,646.60 : x
  2. Step 2: Convert to fraction form
    203,586,646.60/305,379,969.90 = 203,586,646.60/x
  3. Step 3: Cross multiply
    203,586,646.60x = 305,379,969.90 × 203,586,646.60
  4. Step 4: Simplify right side
    203,586,646.60x = 62,171,284,010,749,928
  5. Step 5: Solve for x
    x = 62,171,284,010,749,928/203,586,646.60
  6. Step 6: Final answer
    x = 305,379,969.90

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1.5x scale

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.