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Finding the Fourth Proportional to 383,598.83, 529,366.42 and 213,832.96

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Solution

The fourth proportional to 383,598.83, 529,366.42 and 213,832.96 is: 295,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,598.83 : 529,366.42 = 213,832.96 : x
  2. Step 2: Convert to fraction form
    383,598.83/529,366.42 = 213,832.96/x
  3. Step 3: Cross multiply
    383,598.83x = 529,366.42 × 213,832.96
  4. Step 4: Simplify right side
    383,598.83x = 113,195,985,866.37
  5. Step 5: Solve for x
    x = 113,195,985,866.37/383,598.83
  6. Step 6: Final answer
    x = 295,089.50

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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.