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Finding the Fourth Proportional to 605,617.89, 835,748.57 and 333,679.47

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Solution

The fourth proportional to 605,617.89, 835,748.57 and 333,679.47 is: 460,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,617.89 : 835,748.57 = 333,679.47 : x
  2. Step 2: Convert to fraction form
    605,617.89/835,748.57 = 333,679.47/x
  3. Step 3: Cross multiply
    605,617.89x = 835,748.57 × 333,679.47
  4. Step 4: Simplify right side
    605,617.89x = 278,872,139,890.86
  5. Step 5: Solve for x
    x = 278,872,139,890.86/605,617.89
  6. Step 6: Final answer
    x = 460,475.40

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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.