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Finding the Fourth Proportional to 383,652.76, 529,435.02 and 213,882.52

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Solution

The fourth proportional to 383,652.76, 529,435.02 and 213,882.52 is: 295,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,652.76 : 529,435.02 = 213,882.52 : x
  2. Step 2: Convert to fraction form
    383,652.76/529,435.02 = 213,882.52/x
  3. Step 3: Cross multiply
    383,652.76x = 529,435.02 × 213,882.52
  4. Step 4: Simplify right side
    383,652.76x = 113,236,896,253.85
  5. Step 5: Solve for x
    x = 113,236,896,253.85/383,652.76
  6. Step 6: Final answer
    x = 295,154.65

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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.