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Finding the Fourth Proportional to 318,339, 439,370.21 and 182,464.02

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Solution

The fourth proportional to 318,339, 439,370.21 and 182,464.02 is: 251,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,339 : 439,370.21 = 182,464.02 : x
  2. Step 2: Convert to fraction form
    318,339/439,370.21 = 182,464.02/x
  3. Step 3: Cross multiply
    318,339x = 439,370.21 × 182,464.02
  4. Step 4: Simplify right side
    318,339x = 80,169,255,241.00
  5. Step 5: Solve for x
    x = 80,169,255,241.00/318,339
  6. Step 6: Final answer
    x = 251,836.11

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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.