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Finding the Fourth Proportional to 334,568.40, 461,066.32 and 328,418.88

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Solution

The fourth proportional to 334,568.40, 461,066.32 and 328,418.88 is: 452,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,568.40 : 461,066.32 = 328,418.88 : x
  2. Step 2: Convert to fraction form
    334,568.40/461,066.32 = 328,418.88/x
  3. Step 3: Cross multiply
    334,568.40x = 461,066.32 × 328,418.88
  4. Step 4: Simplify right side
    334,568.40x = 151,422,884,420.12
  5. Step 5: Solve for x
    x = 151,422,884,420.12/334,568.40
  6. Step 6: Final answer
    x = 452,591.71

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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.