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Finding the Fourth Proportional to 452,836.76, 624,921.22 and 248,906.54

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Solution

The fourth proportional to 452,836.76, 624,921.22 and 248,906.54 is: 343,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,836.76 : 624,921.22 = 248,906.54 : x
  2. Step 2: Convert to fraction form
    452,836.76/624,921.22 = 248,906.54/x
  3. Step 3: Cross multiply
    452,836.76x = 624,921.22 × 248,906.54
  4. Step 4: Simplify right side
    452,836.76x = 155,546,978,642.78
  5. Step 5: Solve for x
    x = 155,546,978,642.78/452,836.76
  6. Step 6: Final answer
    x = 343,494.59

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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.