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Finding the Fourth Proportional to 363,647.36, 545,556.90 and 114,329.36

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Solution

The fourth proportional to 363,647.36, 545,556.90 and 114,329.36 is: 171,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,647.36 : 545,556.90 = 114,329.36 : x
  2. Step 2: Convert to fraction form
    363,647.36/545,556.90 = 114,329.36/x
  3. Step 3: Cross multiply
    363,647.36x = 545,556.90 × 114,329.36
  4. Step 4: Simplify right side
    363,647.36x = 62,373,171,220.58
  5. Step 5: Solve for x
    x = 62,373,171,220.58/363,647.36
  6. Step 6: Final answer
    x = 171,521.03

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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.