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Finding the Fourth Proportional to 605,782.77, 835,985.93 and 333,860.46

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Solution

The fourth proportional to 605,782.77, 835,985.93 and 333,860.46 is: 460,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,782.77 : 835,985.93 = 333,860.46 : x
  2. Step 2: Convert to fraction form
    605,782.77/835,985.93 = 333,860.46/x
  3. Step 3: Cross multiply
    605,782.77x = 835,985.93 × 333,860.46
  4. Step 4: Simplify right side
    605,782.77x = 279,102,645,474.03
  5. Step 5: Solve for x
    x = 279,102,645,474.03/605,782.77
  6. Step 6: Final answer
    x = 460,730.58

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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.