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Finding the Fourth Proportional to 322,103.15, 483,056.31 and 153,534.67

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Solution

The fourth proportional to 322,103.15, 483,056.31 and 153,534.67 is: 230,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,103.15 : 483,056.31 = 153,534.67 : x
  2. Step 2: Convert to fraction form
    322,103.15/483,056.31 = 153,534.67/x
  3. Step 3: Cross multiply
    322,103.15x = 483,056.31 × 153,534.67
  4. Step 4: Simplify right side
    322,103.15x = 74,165,889,363.87
  5. Step 5: Solve for x
    x = 74,165,889,363.87/322,103.15
  6. Step 6: Final answer
    x = 230,255.09

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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.