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Finding the Fourth Proportional to 532,359.56, 734,479.70 and 351,161.48

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Solution

The fourth proportional to 532,359.56, 734,479.70 and 351,161.48 is: 484,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,359.56 : 734,479.70 = 351,161.48 : x
  2. Step 2: Convert to fraction form
    532,359.56/734,479.70 = 351,161.48/x
  3. Step 3: Cross multiply
    532,359.56x = 734,479.70 × 351,161.48
  4. Step 4: Simplify right side
    532,359.56x = 257,920,978,481.96
  5. Step 5: Solve for x
    x = 257,920,978,481.96/532,359.56
  6. Step 6: Final answer
    x = 484,486.42

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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.