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Finding the Fourth Proportional to 605,728.88, 835,911.38 and 333,806.53

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Solution

The fourth proportional to 605,728.88, 835,911.38 and 333,806.53 is: 460,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,728.88 : 835,911.38 = 333,806.53 : x
  2. Step 2: Convert to fraction form
    605,728.88/835,911.38 = 333,806.53/x
  3. Step 3: Cross multiply
    605,728.88x = 835,911.38 × 333,806.53
  4. Step 4: Simplify right side
    605,728.88x = 279,032,677,145.31
  5. Step 5: Solve for x
    x = 279,032,677,145.31/605,728.88
  6. Step 6: Final answer
    x = 460,656.06

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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.