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Finding the Fourth Proportional to 365,740.14, 548,111.70 and 223,635

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Solution

The fourth proportional to 365,740.14, 548,111.70 and 223,635 is: 335,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,740.14 : 548,111.70 = 223,635 : x
  2. Step 2: Convert to fraction form
    365,740.14/548,111.70 = 223,635/x
  3. Step 3: Cross multiply
    365,740.14x = 548,111.70 × 223,635
  4. Step 4: Simplify right side
    365,740.14x = 122,576,960,029.50
  5. Step 5: Solve for x
    x = 122,576,960,029.50/365,740.14
  6. Step 6: Final answer
    x = 335,147.68

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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.