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Finding the Fourth Proportional to 543,960.24, 750,621.18 and 314,532.39

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Solution

The fourth proportional to 543,960.24, 750,621.18 and 314,532.39 is: 434,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,960.24 : 750,621.18 = 314,532.39 : x
  2. Step 2: Convert to fraction form
    543,960.24/750,621.18 = 314,532.39/x
  3. Step 3: Cross multiply
    543,960.24x = 750,621.18 × 314,532.39
  4. Step 4: Simplify right side
    543,960.24x = 236,094,673,843.98
  5. Step 5: Solve for x
    x = 236,094,673,843.98/543,960.24
  6. Step 6: Final answer
    x = 434,029.28

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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.