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Finding the Fourth Proportional to 535,228.84, 738,685.38 and 351,625.96

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Solution

The fourth proportional to 535,228.84, 738,685.38 and 351,625.96 is: 485,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,228.84 : 738,685.38 = 351,625.96 : x
  2. Step 2: Convert to fraction form
    535,228.84/738,685.38 = 351,625.96/x
  3. Step 3: Cross multiply
    535,228.84x = 738,685.38 × 351,625.96
  4. Step 4: Simplify right side
    535,228.84x = 259,740,955,880.47
  5. Step 5: Solve for x
    x = 259,740,955,880.47/535,228.84
  6. Step 6: Final answer
    x = 485,289.54

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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.