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Finding the Fourth Proportional to 447,969, 618,188.61 and 244,017.54

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Solution

The fourth proportional to 447,969, 618,188.61 and 244,017.54 is: 336,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,969 : 618,188.61 = 244,017.54 : x
  2. Step 2: Convert to fraction form
    447,969/618,188.61 = 244,017.54/x
  3. Step 3: Cross multiply
    447,969x = 618,188.61 × 244,017.54
  4. Step 4: Simplify right side
    447,969x = 150,848,863,868.22
  5. Step 5: Solve for x
    x = 150,848,863,868.22/447,969
  6. Step 6: Final answer
    x = 336,739.52

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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.