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Finding the Fourth Proportional to 605,559.96, 835,673.52 and 329,916.44

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Solution

The fourth proportional to 605,559.96, 835,673.52 and 329,916.44 is: 455,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,559.96 : 835,673.52 = 329,916.44 : x
  2. Step 2: Convert to fraction form
    605,559.96/835,673.52 = 329,916.44/x
  3. Step 3: Cross multiply
    605,559.96x = 835,673.52 × 329,916.44
  4. Step 4: Simplify right side
    605,559.96x = 275,702,432,720.67
  5. Step 5: Solve for x
    x = 275,702,432,720.67/605,559.96
  6. Step 6: Final answer
    x = 455,285.11

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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.