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Finding the Fourth Proportional to 383,595.04, 529,341.78 and 213,796.36

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Solution

The fourth proportional to 383,595.04, 529,341.78 and 213,796.36 is: 295,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,595.04 : 529,341.78 = 213,796.36 : x
  2. Step 2: Convert to fraction form
    383,595.04/529,341.78 = 213,796.36/x
  3. Step 3: Cross multiply
    383,595.04x = 529,341.78 × 213,796.36
  4. Step 4: Simplify right side
    383,595.04x = 113,171,345,759.92
  5. Step 5: Solve for x
    x = 113,171,345,759.92/383,595.04
  6. Step 6: Final answer
    x = 295,028.18

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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.