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Finding the Fourth Proportional to 439,078.14, 605,928.42 and 237,874.14

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Solution

The fourth proportional to 439,078.14, 605,928.42 and 237,874.14 is: 328,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,078.14 : 605,928.42 = 237,874.14 : x
  2. Step 2: Convert to fraction form
    439,078.14/605,928.42 = 237,874.14/x
  3. Step 3: Cross multiply
    439,078.14x = 605,928.42 × 237,874.14
  4. Step 4: Simplify right side
    439,078.14x = 144,134,701,809.06
  5. Step 5: Solve for x
    x = 144,134,701,809.06/439,078.14
  6. Step 6: Final answer
    x = 328,266.63

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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.