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Finding the Fourth Proportional to 441,661.05, 609,446.48 and 248,090.49

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Solution

The fourth proportional to 441,661.05, 609,446.48 and 248,090.49 is: 342,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,661.05 : 609,446.48 = 248,090.49 : x
  2. Step 2: Convert to fraction form
    441,661.05/609,446.48 = 248,090.49/x
  3. Step 3: Cross multiply
    441,661.05x = 609,446.48 × 248,090.49
  4. Step 4: Simplify right side
    441,661.05x = 151,197,874,611.52
  5. Step 5: Solve for x
    x = 151,197,874,611.52/441,661.05
  6. Step 6: Final answer
    x = 342,339.16

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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.