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Finding the Fourth Proportional to 383,882.18, 575,823.27 and 196,774.34

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Solution

The fourth proportional to 383,882.18, 575,823.27 and 196,774.34 is: 295,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,882.18 : 575,823.27 = 196,774.34 : x
  2. Step 2: Convert to fraction form
    383,882.18/575,823.27 = 196,774.34/x
  3. Step 3: Cross multiply
    383,882.18x = 575,823.27 × 196,774.34
  4. Step 4: Simplify right side
    383,882.18x = 113,307,243,910.89
  5. Step 5: Solve for x
    x = 113,307,243,910.89/383,882.18
  6. Step 6: Final answer
    x = 295,161.51

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Similar ratio
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1.5x scale

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.