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Finding the Fourth Proportional to 615,195.49, 848,949.82 and 335,781.94

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Solution

The fourth proportional to 615,195.49, 848,949.82 and 335,781.94 is: 463,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,195.49 : 848,949.82 = 335,781.94 : x
  2. Step 2: Convert to fraction form
    615,195.49/848,949.82 = 335,781.94/x
  3. Step 3: Cross multiply
    615,195.49x = 848,949.82 × 335,781.94
  4. Step 4: Simplify right side
    615,195.49x = 285,062,017,522.25
  5. Step 5: Solve for x
    x = 285,062,017,522.25/615,195.49
  6. Step 6: Final answer
    x = 463,368.18

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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.