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Finding the Fourth Proportional to 580,077.99, 800,343.18 and 376,137

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Solution

The fourth proportional to 580,077.99, 800,343.18 and 376,137 is: 518,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,077.99 : 800,343.18 = 376,137 : x
  2. Step 2: Convert to fraction form
    580,077.99/800,343.18 = 376,137/x
  3. Step 3: Cross multiply
    580,077.99x = 800,343.18 × 376,137
  4. Step 4: Simplify right side
    580,077.99x = 301,038,682,695.66
  5. Step 5: Solve for x
    x = 301,038,682,695.66/580,077.99
  6. Step 6: Final answer
    x = 518,962.43

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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.