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Finding the Fourth Proportional to 622,533.36, 859,086.90 and 350,601.78

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Solution

The fourth proportional to 622,533.36, 859,086.90 and 350,601.78 is: 483,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,533.36 : 859,086.90 = 350,601.78 : x
  2. Step 2: Convert to fraction form
    622,533.36/859,086.90 = 350,601.78/x
  3. Step 3: Cross multiply
    622,533.36x = 859,086.90 × 350,601.78
  4. Step 4: Simplify right side
    622,533.36x = 301,197,396,314.68
  5. Step 5: Solve for x
    x = 301,197,396,314.68/622,533.36
  6. Step 6: Final answer
    x = 483,825.31

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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.