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Finding the Fourth Proportional to 605,390.90, 835,498.40 and 452,163.06

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Solution

The fourth proportional to 605,390.90, 835,498.40 and 452,163.06 is: 624,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,390.90 : 835,498.40 = 452,163.06 : x
  2. Step 2: Convert to fraction form
    605,390.90/835,498.40 = 452,163.06/x
  3. Step 3: Cross multiply
    605,390.90x = 835,498.40 × 452,163.06
  4. Step 4: Simplify right side
    605,390.90x = 377,781,510,908.29
  5. Step 5: Solve for x
    x = 377,781,510,908.29/605,390.90
  6. Step 6: Final answer
    x = 624,029.06

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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.