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Finding the Fourth Proportional to 403,235.80, 556,429.26 and 233,481.40

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Solution

The fourth proportional to 403,235.80, 556,429.26 and 233,481.40 is: 322,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,235.80 : 556,429.26 = 233,481.40 : x
  2. Step 2: Convert to fraction form
    403,235.80/556,429.26 = 233,481.40/x
  3. Step 3: Cross multiply
    403,235.80x = 556,429.26 × 233,481.40
  4. Step 4: Simplify right side
    403,235.80x = 129,915,882,625.76
  5. Step 5: Solve for x
    x = 129,915,882,625.76/403,235.80
  6. Step 6: Final answer
    x = 322,183.40

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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.