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Finding the Fourth Proportional to 350,412, 483,568.62 and 191,436

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Solution

The fourth proportional to 350,412, 483,568.62 and 191,436 is: 264,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,412 : 483,568.62 = 191,436 : x
  2. Step 2: Convert to fraction form
    350,412/483,568.62 = 191,436/x
  3. Step 3: Cross multiply
    350,412x = 483,568.62 × 191,436
  4. Step 4: Simplify right side
    350,412x = 92,572,442,338.32
  5. Step 5: Solve for x
    x = 92,572,442,338.32/350,412
  6. Step 6: Final answer
    x = 264,181.71

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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.