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Finding the Fourth Proportional to 396,756.51, 597,279.74 and 361,444.75

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Solution

The fourth proportional to 396,756.51, 597,279.74 and 361,444.75 is: 544,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,756.51 : 597,279.74 = 361,444.75 : x
  2. Step 2: Convert to fraction form
    396,756.51/597,279.74 = 361,444.75/x
  3. Step 3: Cross multiply
    396,756.51x = 597,279.74 × 361,444.75
  4. Step 4: Simplify right side
    396,756.51x = 215,883,626,304.37
  5. Step 5: Solve for x
    x = 215,883,626,304.37/396,756.51
  6. Step 6: Final answer
    x = 544,121.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.