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Finding the Fourth Proportional to 539,361.13, 744,040.39 and 335,334.68

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Solution

The fourth proportional to 539,361.13, 744,040.39 and 335,334.68 is: 462,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,361.13 : 744,040.39 = 335,334.68 : x
  2. Step 2: Convert to fraction form
    539,361.13/744,040.39 = 335,334.68/x
  3. Step 3: Cross multiply
    539,361.13x = 744,040.39 × 335,334.68
  4. Step 4: Simplify right side
    539,361.13x = 249,502,546,087.73
  5. Step 5: Solve for x
    x = 249,502,546,087.73/539,361.13
  6. Step 6: Final answer
    x = 462,589.04

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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.