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Finding the Fourth Proportional to 605,647.58, 835,782.64 and 333,740.57

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Solution

The fourth proportional to 605,647.58, 835,782.64 and 333,740.57 is: 460,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,647.58 : 835,782.64 = 333,740.57 : x
  2. Step 2: Convert to fraction form
    605,647.58/835,782.64 = 333,740.57/x
  3. Step 3: Cross multiply
    605,647.58x = 835,782.64 × 333,740.57
  4. Step 4: Simplify right side
    605,647.58x = 278,934,569,656.44
  5. Step 5: Solve for x
    x = 278,934,569,656.44/605,647.58
  6. Step 6: Final answer
    x = 460,555.91

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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.