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Finding the Fourth Proportional to 374,375.32, 516,879.33 and 334,019.09

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Solution

The fourth proportional to 374,375.32, 516,879.33 and 334,019.09 is: 461,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,375.32 : 516,879.33 = 334,019.09 : x
  2. Step 2: Convert to fraction form
    374,375.32/516,879.33 = 334,019.09/x
  3. Step 3: Cross multiply
    374,375.32x = 516,879.33 × 334,019.09
  4. Step 4: Simplify right side
    374,375.32x = 172,647,563,486.04
  5. Step 5: Solve for x
    x = 172,647,563,486.04/374,375.32
  6. Step 6: Final answer
    x = 461,161.72

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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.