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Finding the Fourth Proportional to 363,648.37, 545,558.40 and 114,330.37

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Solution

The fourth proportional to 363,648.37, 545,558.40 and 114,330.37 is: 171,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,648.37 : 545,558.40 = 114,330.37 : x
  2. Step 2: Convert to fraction form
    363,648.37/545,558.40 = 114,330.37/x
  3. Step 3: Cross multiply
    363,648.37x = 545,558.40 × 114,330.37
  4. Step 4: Simplify right side
    363,648.37x = 62,373,891,000.82
  5. Step 5: Solve for x
    x = 62,373,891,000.82/363,648.37
  6. Step 6: Final answer
    x = 171,522.54

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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.