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Finding the Fourth Proportional to 539,872.84, 744,991.86 and 325,082.44

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Solution

The fourth proportional to 539,872.84, 744,991.86 and 325,082.44 is: 448,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,872.84 : 744,991.86 = 325,082.44 : x
  2. Step 2: Convert to fraction form
    539,872.84/744,991.86 = 325,082.44/x
  3. Step 3: Cross multiply
    539,872.84x = 744,991.86 × 325,082.44
  4. Step 4: Simplify right side
    539,872.84x = 242,183,771,628.94
  5. Step 5: Solve for x
    x = 242,183,771,628.94/539,872.84
  6. Step 6: Final answer
    x = 448,594.10

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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.