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Finding the Fourth Proportional to 439,481.25, 606,467.28 and 248,498.64

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Solution

The fourth proportional to 439,481.25, 606,467.28 and 248,498.64 is: 342,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,481.25 : 606,467.28 = 248,498.64 : x
  2. Step 2: Convert to fraction form
    439,481.25/606,467.28 = 248,498.64/x
  3. Step 3: Cross multiply
    439,481.25x = 606,467.28 × 248,498.64
  4. Step 4: Simplify right side
    439,481.25x = 150,706,294,284.50
  5. Step 5: Solve for x
    x = 150,706,294,284.50/439,481.25
  6. Step 6: Final answer
    x = 342,918.60

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1.5x scale

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.