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Finding the Fourth Proportional to 652,241.10, 978,361.65 and 413,092.65

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Solution

The fourth proportional to 652,241.10, 978,361.65 and 413,092.65 is: 619,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,241.10 : 978,361.65 = 413,092.65 : x
  2. Step 2: Convert to fraction form
    652,241.10/978,361.65 = 413,092.65/x
  3. Step 3: Cross multiply
    652,241.10x = 978,361.65 × 413,092.65
  4. Step 4: Simplify right side
    652,241.10x = 404,154,006,656.87
  5. Step 5: Solve for x
    x = 404,154,006,656.87/652,241.10
  6. Step 6: Final answer
    x = 619,638.98

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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.