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Finding the Fourth Proportional to 439,453.32, 606,442.68 and 248,467.48

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Solution

The fourth proportional to 439,453.32, 606,442.68 and 248,467.48 is: 342,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,453.32 : 606,442.68 = 248,467.48 : x
  2. Step 2: Convert to fraction form
    439,453.32/606,442.68 = 248,467.48/x
  3. Step 3: Cross multiply
    439,453.32x = 606,442.68 × 248,467.48
  4. Step 4: Simplify right side
    439,453.32x = 150,681,284,464.05
  5. Step 5: Solve for x
    x = 150,681,284,464.05/439,453.32
  6. Step 6: Final answer
    x = 342,883.48

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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.