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Finding the Fourth Proportional to 544,645.52, 815,568.60 and 333,643.76

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Solution

The fourth proportional to 544,645.52, 815,568.60 and 333,643.76 is: 499,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,645.52 : 815,568.60 = 333,643.76 : x
  2. Step 2: Convert to fraction form
    544,645.52/815,568.60 = 333,643.76/x
  3. Step 3: Cross multiply
    544,645.52x = 815,568.60 × 333,643.76
  4. Step 4: Simplify right side
    544,645.52x = 272,109,374,241.94
  5. Step 5: Solve for x
    x = 272,109,374,241.94/544,645.52
  6. Step 6: Final answer
    x = 499,608.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.