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Finding the Fourth Proportional to 273,186.01, 409,779.06 and 213,315.67

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Solution

The fourth proportional to 273,186.01, 409,779.06 and 213,315.67 is: 319,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,186.01 : 409,779.06 = 213,315.67 : x
  2. Step 2: Convert to fraction form
    273,186.01/409,779.06 = 213,315.67/x
  3. Step 3: Cross multiply
    273,186.01x = 409,779.06 × 213,315.67
  4. Step 4: Simplify right side
    273,186.01x = 87,412,294,735.87
  5. Step 5: Solve for x
    x = 87,412,294,735.87/273,186.01
  6. Step 6: Final answer
    x = 319,973.54

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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.