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Finding the Fourth Proportional to 562,960.08, 776,891.52 and 308,322

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Solution

The fourth proportional to 562,960.08, 776,891.52 and 308,322 is: 425,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,960.08 : 776,891.52 = 308,322 : x
  2. Step 2: Convert to fraction form
    562,960.08/776,891.52 = 308,322/x
  3. Step 3: Cross multiply
    562,960.08x = 776,891.52 × 308,322
  4. Step 4: Simplify right side
    562,960.08x = 239,532,747,229.44
  5. Step 5: Solve for x
    x = 239,532,747,229.44/562,960.08
  6. Step 6: Final answer
    x = 425,487.98

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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.