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Finding the Fourth Proportional to 605,728.30, 835,910.66 and 333,805.95

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Solution

The fourth proportional to 605,728.30, 835,910.66 and 333,805.95 is: 460,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,728.30 : 835,910.66 = 333,805.95 : x
  2. Step 2: Convert to fraction form
    605,728.30/835,910.66 = 333,805.95/x
  3. Step 3: Cross multiply
    605,728.30x = 835,910.66 × 333,805.95
  4. Step 4: Simplify right side
    605,728.30x = 279,031,947,796.87
  5. Step 5: Solve for x
    x = 279,031,947,796.87/605,728.30
  6. Step 6: Final answer
    x = 460,655.30

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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.