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Finding the Fourth Proportional to 452,574, 679,454.28 and 303,481.44

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Solution

The fourth proportional to 452,574, 679,454.28 and 303,481.44 is: 455,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,574 : 679,454.28 = 303,481.44 : x
  2. Step 2: Convert to fraction form
    452,574/679,454.28 = 303,481.44/x
  3. Step 3: Cross multiply
    452,574x = 679,454.28 × 303,481.44
  4. Step 4: Simplify right side
    452,574x = 206,201,763,308.56
  5. Step 5: Solve for x
    x = 206,201,763,308.56/452,574
  6. Step 6: Final answer
    x = 455,619.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.