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Finding the Fourth Proportional to 605,281.30, 835,255.78 and 333,296.11

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Solution

The fourth proportional to 605,281.30, 835,255.78 and 333,296.11 is: 459,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,281.30 : 835,255.78 = 333,296.11 : x
  2. Step 2: Convert to fraction form
    605,281.30/835,255.78 = 333,296.11/x
  3. Step 3: Cross multiply
    605,281.30x = 835,255.78 × 333,296.11
  4. Step 4: Simplify right side
    605,281.30x = 278,387,502,329.02
  5. Step 5: Solve for x
    x = 278,387,502,329.02/605,281.30
  6. Step 6: Final answer
    x = 459,930.78

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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.