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Finding the Fourth Proportional to 536,868.31, 803,550.11 and 394,675.94

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Solution

The fourth proportional to 536,868.31, 803,550.11 and 394,675.94 is: 590,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,868.31 : 803,550.11 = 394,675.94 : x
  2. Step 2: Convert to fraction form
    536,868.31/803,550.11 = 394,675.94/x
  3. Step 3: Cross multiply
    536,868.31x = 803,550.11 × 394,675.94
  4. Step 4: Simplify right side
    536,868.31x = 317,141,895,001.35
  5. Step 5: Solve for x
    x = 317,141,895,001.35/536,868.31
  6. Step 6: Final answer
    x = 590,725.68

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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.