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Finding the Fourth Proportional to 396,610.51, 593,782.17 and 371,470.94

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Solution

The fourth proportional to 396,610.51, 593,782.17 and 371,470.94 is: 556,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,610.51 : 593,782.17 = 371,470.94 : x
  2. Step 2: Convert to fraction form
    396,610.51/593,782.17 = 371,470.94/x
  3. Step 3: Cross multiply
    396,610.51x = 593,782.17 × 371,470.94
  4. Step 4: Simplify right side
    396,610.51x = 220,572,820,936.58
  5. Step 5: Solve for x
    x = 220,572,820,936.58/396,610.51
  6. Step 6: Final answer
    x = 556,144.67

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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.