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Finding the Fourth Proportional to 605,721.49, 835,893.92 and 333,789.30

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Solution

The fourth proportional to 605,721.49, 835,893.92 and 333,789.30 is: 460,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,721.49 : 835,893.92 = 333,789.30 : x
  2. Step 2: Convert to fraction form
    605,721.49/835,893.92 = 333,789.30/x
  3. Step 3: Cross multiply
    605,721.49x = 835,893.92 × 333,789.30
  4. Step 4: Simplify right side
    605,721.49x = 279,012,447,265.53
  5. Step 5: Solve for x
    x = 279,012,447,265.53/605,721.49
  6. Step 6: Final answer
    x = 460,628.28

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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.