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Finding the Fourth Proportional to 605,729.23, 835,911.95 and 333,806.88

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Solution

The fourth proportional to 605,729.23, 835,911.95 and 333,806.88 is: 460,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,729.23 : 835,911.95 = 333,806.88 : x
  2. Step 2: Convert to fraction form
    605,729.23/835,911.95 = 333,806.88/x
  3. Step 3: Cross multiply
    605,729.23x = 835,911.95 × 333,806.88
  4. Step 4: Simplify right side
    605,729.23x = 279,033,159,984.22
  5. Step 5: Solve for x
    x = 279,033,159,984.22/605,729.23
  6. Step 6: Final answer
    x = 460,656.59

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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.