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Finding the Fourth Proportional to 807,608.80, 1,114,485.12 and 445,066.24

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Solution

The fourth proportional to 807,608.80, 1,114,485.12 and 445,066.24 is: 614,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,608.80 : 1,114,485.12 = 445,066.24 : x
  2. Step 2: Convert to fraction form
    807,608.80/1,114,485.12 = 445,066.24/x
  3. Step 3: Cross multiply
    807,608.80x = 1,114,485.12 × 445,066.24
  4. Step 4: Simplify right side
    807,608.80x = 496,019,701,894.35
  5. Step 5: Solve for x
    x = 496,019,701,894.35/807,608.80
  6. Step 6: Final answer
    x = 614,183.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.