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Finding the Fourth Proportional to 535,227.84, 738,684 and 351,624.96

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Solution

The fourth proportional to 535,227.84, 738,684 and 351,624.96 is: 485,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,227.84 : 738,684 = 351,624.96 : x
  2. Step 2: Convert to fraction form
    535,227.84/738,684 = 351,624.96/x
  3. Step 3: Cross multiply
    535,227.84x = 738,684 × 351,624.96
  4. Step 4: Simplify right side
    535,227.84x = 259,739,731,952.64
  5. Step 5: Solve for x
    x = 259,739,731,952.64/535,227.84
  6. Step 6: Final answer
    x = 485,288.16

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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.