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Finding the Fourth Proportional to 476,581.21, 657,517.65 and 304,599.84

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Solution

The fourth proportional to 476,581.21, 657,517.65 and 304,599.84 is: 420,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,581.21 : 657,517.65 = 304,599.84 : x
  2. Step 2: Convert to fraction form
    476,581.21/657,517.65 = 304,599.84/x
  3. Step 3: Cross multiply
    476,581.21x = 657,517.65 × 304,599.84
  4. Step 4: Simplify right side
    476,581.21x = 200,279,772,791.15
  5. Step 5: Solve for x
    x = 200,279,772,791.15/476,581.21
  6. Step 6: Final answer
    x = 420,242.70

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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.