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Finding the Fourth Proportional to 605,407.80, 835,462.77 and 333,474.86

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Solution

The fourth proportional to 605,407.80, 835,462.77 and 333,474.86 is: 460,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,407.80 : 835,462.77 = 333,474.86 : x
  2. Step 2: Convert to fraction form
    605,407.80/835,462.77 = 333,474.86/x
  3. Step 3: Cross multiply
    605,407.80x = 835,462.77 × 333,474.86
  4. Step 4: Simplify right side
    605,407.80x = 278,605,827,483.10
  5. Step 5: Solve for x
    x = 278,605,827,483.10/605,407.80
  6. Step 6: Final answer
    x = 460,195.30

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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.