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Finding the Fourth Proportional to 605,328.37, 835,391.09 and 333,396.21

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Solution

The fourth proportional to 605,328.37, 835,391.09 and 333,396.21 is: 460,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328.37 : 835,391.09 = 333,396.21 : x
  2. Step 2: Convert to fraction form
    605,328.37/835,391.09 = 333,396.21/x
  3. Step 3: Cross multiply
    605,328.37x = 835,391.09 × 333,396.21
  4. Step 4: Simplify right side
    605,328.37x = 278,516,221,606.79
  5. Step 5: Solve for x
    x = 278,516,221,606.79/605,328.37
  6. Step 6: Final answer
    x = 460,107.66

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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.