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Finding the Fourth Proportional to 536,874.54, 803,559.44 and 394,682.16

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Solution

The fourth proportional to 536,874.54, 803,559.44 and 394,682.16 is: 590,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,874.54 : 803,559.44 = 394,682.16 : x
  2. Step 2: Convert to fraction form
    536,874.54/803,559.44 = 394,682.16/x
  3. Step 3: Cross multiply
    536,874.54x = 803,559.44 × 394,682.16
  4. Step 4: Simplify right side
    536,874.54x = 317,150,573,494.18
  5. Step 5: Solve for x
    x = 317,150,573,494.18/536,874.54
  6. Step 6: Final answer
    x = 590,734.99

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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.