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Finding the Fourth Proportional to 363,589,570.60, 545,384,355.90 and 248,798,314.60

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Solution

The fourth proportional to 363,589,570.60, 545,384,355.90 and 248,798,314.60 is: 373,197,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,589,570.60 : 545,384,355.90 = 248,798,314.60 : x
  2. Step 2: Convert to fraction form
    363,589,570.60/545,384,355.90 = 248,798,314.60/x
  3. Step 3: Cross multiply
    363,589,570.60x = 545,384,355.90 × 248,798,314.60
  4. Step 4: Simplify right side
    363,589,570.60x = 135,690,708,557,126,560
  5. Step 5: Solve for x
    x = 135,690,708,557,126,560/363,589,570.60
  6. Step 6: Final answer
    x = 373,197,471.90

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