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Finding the Fourth Proportional to 605,718.60, 835,880.40 and 333,811.68

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Solution

The fourth proportional to 605,718.60, 835,880.40 and 333,811.68 is: 460,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,718.60 : 835,880.40 = 333,811.68 : x
  2. Step 2: Convert to fraction form
    605,718.60/835,880.40 = 333,811.68/x
  3. Step 3: Cross multiply
    605,718.60x = 835,880.40 × 333,811.68
  4. Step 4: Simplify right side
    605,718.60x = 279,026,640,603.07
  5. Step 5: Solve for x
    x = 279,026,640,603.07/605,718.60
  6. Step 6: Final answer
    x = 460,653.91

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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.