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Finding the Fourth Proportional to 439,425.36, 606,383.28 and 248,427.36

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Solution

The fourth proportional to 439,425.36, 606,383.28 and 248,427.36 is: 342,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,425.36 : 606,383.28 = 248,427.36 : x
  2. Step 2: Convert to fraction form
    439,425.36/606,383.28 = 248,427.36/x
  3. Step 3: Cross multiply
    439,425.36x = 606,383.28 × 248,427.36
  4. Step 4: Simplify right side
    439,425.36x = 150,642,197,398.54
  5. Step 5: Solve for x
    x = 150,642,197,398.54/439,425.36
  6. Step 6: Final answer
    x = 342,816.35

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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.