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Finding the Fourth Proportional to 605,731.88, 835,915.52 and 333,809.54

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Solution

The fourth proportional to 605,731.88, 835,915.52 and 333,809.54 is: 460,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,731.88 : 835,915.52 = 333,809.54 : x
  2. Step 2: Convert to fraction form
    605,731.88/835,915.52 = 333,809.54/x
  3. Step 3: Cross multiply
    605,731.88x = 835,915.52 × 333,809.54
  4. Step 4: Simplify right side
    605,731.88x = 279,036,575,210.06
  5. Step 5: Solve for x
    x = 279,036,575,210.06/605,731.88
  6. Step 6: Final answer
    x = 460,660.21

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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.