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Finding the Fourth Proportional to 3,807,362.86, 5,708,203.68 and 2,290,690.42

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Solution

The fourth proportional to 3,807,362.86, 5,708,203.68 and 2,290,690.42 is: 3,434,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,362.86 : 5,708,203.68 = 2,290,690.42 : x
  2. Step 2: Convert to fraction form
    3,807,362.86/5,708,203.68 = 2,290,690.42/x
  3. Step 3: Cross multiply
    3,807,362.86x = 5,708,203.68 × 2,290,690.42
  4. Step 4: Simplify right side
    3,807,362.86x = 13,075,727,485,184.74
  5. Step 5: Solve for x
    x = 13,075,727,485,184.74/3,807,362.86
  6. Step 6: Final answer
    x = 3,434,326.58

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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.