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Finding the Fourth Proportional to 605,648.52, 835,783.92 and 351,023.40

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Solution

The fourth proportional to 605,648.52, 835,783.92 and 351,023.40 is: 484,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,648.52 : 835,783.92 = 351,023.40 : x
  2. Step 2: Convert to fraction form
    605,648.52/835,783.92 = 351,023.40/x
  3. Step 3: Cross multiply
    605,648.52x = 835,783.92 × 351,023.40
  4. Step 4: Simplify right side
    605,648.52x = 293,379,713,263.73
  5. Step 5: Solve for x
    x = 293,379,713,263.73/605,648.52
  6. Step 6: Final answer
    x = 484,405.89

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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.