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Finding the Fourth Proportional to 613,680.88, 846,708.51 and 395,797.36

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Solution

The fourth proportional to 613,680.88, 846,708.51 and 395,797.36 is: 546,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,680.88 : 846,708.51 = 395,797.36 : x
  2. Step 2: Convert to fraction form
    613,680.88/846,708.51 = 395,797.36/x
  3. Step 3: Cross multiply
    613,680.88x = 846,708.51 × 395,797.36
  4. Step 4: Simplify right side
    613,680.88x = 335,124,992,947.53
  5. Step 5: Solve for x
    x = 335,124,992,947.53/613,680.88
  6. Step 6: Final answer
    x = 546,090.00

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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.