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Finding the Fourth Proportional to 605,640.30, 835,821.52 and 333,708.08

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Solution

The fourth proportional to 605,640.30, 835,821.52 and 333,708.08 is: 460,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,640.30 : 835,821.52 = 333,708.08 : x
  2. Step 2: Convert to fraction form
    605,640.30/835,821.52 = 333,708.08/x
  3. Step 3: Cross multiply
    605,640.30x = 835,821.52 × 333,708.08
  4. Step 4: Simplify right side
    605,640.30x = 278,920,394,661.88
  5. Step 5: Solve for x
    x = 278,920,394,661.88/605,640.30
  6. Step 6: Final answer
    x = 460,538.04

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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.