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Finding the Fourth Proportional to 439,209.60, 605,653.44 and 375,757.44

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Solution

The fourth proportional to 439,209.60, 605,653.44 and 375,757.44 is: 518,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,209.60 : 605,653.44 = 375,757.44 : x
  2. Step 2: Convert to fraction form
    439,209.60/605,653.44 = 375,757.44/x
  3. Step 3: Cross multiply
    439,209.60x = 605,653.44 × 375,757.44
  4. Step 4: Simplify right side
    439,209.60x = 227,578,786,141.59
  5. Step 5: Solve for x
    x = 227,578,786,141.59/439,209.60
  6. Step 6: Final answer
    x = 518,155.31

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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.