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Finding the Fourth Proportional to 483,898.50, 667,779.93 and 271,930.50

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Solution

The fourth proportional to 483,898.50, 667,779.93 and 271,930.50 is: 375,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,898.50 : 667,779.93 = 271,930.50 : x
  2. Step 2: Convert to fraction form
    483,898.50/667,779.93 = 271,930.50/x
  3. Step 3: Cross multiply
    483,898.50x = 667,779.93 × 271,930.50
  4. Step 4: Simplify right side
    483,898.50x = 181,589,730,254.87
  5. Step 5: Solve for x
    x = 181,589,730,254.87/483,898.50
  6. Step 6: Final answer
    x = 375,264.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.