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Finding the Fourth Proportional to 605,170.72, 835,128.12 and 333,232.84

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Solution

The fourth proportional to 605,170.72, 835,128.12 and 333,232.84 is: 459,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,170.72 : 835,128.12 = 333,232.84 : x
  2. Step 2: Convert to fraction form
    605,170.72/835,128.12 = 333,232.84/x
  3. Step 3: Cross multiply
    605,170.72x = 835,128.12 × 333,232.84
  4. Step 4: Simplify right side
    605,170.72x = 278,292,115,191.46
  5. Step 5: Solve for x
    x = 278,292,115,191.46/605,170.72
  6. Step 6: Final answer
    x = 459,857.20

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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.