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Finding the Fourth Proportional to 441,794.66, 609,484.12 and 278,351.95

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Solution

The fourth proportional to 441,794.66, 609,484.12 and 278,351.95 is: 384,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,794.66 : 609,484.12 = 278,351.95 : x
  2. Step 2: Convert to fraction form
    441,794.66/609,484.12 = 278,351.95/x
  3. Step 3: Cross multiply
    441,794.66x = 609,484.12 × 278,351.95
  4. Step 4: Simplify right side
    441,794.66x = 169,651,093,362.01
  5. Step 5: Solve for x
    x = 169,651,093,362.01/441,794.66
  6. Step 6: Final answer
    x = 384,004.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.