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Finding the Fourth Proportional to 468,621.35, 646,696.29 and 253,761.41

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Solution

The fourth proportional to 468,621.35, 646,696.29 and 253,761.41 is: 350,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,621.35 : 646,696.29 = 253,761.41 : x
  2. Step 2: Convert to fraction form
    468,621.35/646,696.29 = 253,761.41/x
  3. Step 3: Cross multiply
    468,621.35x = 646,696.29 × 253,761.41
  4. Step 4: Simplify right side
    468,621.35x = 164,106,562,392.17
  5. Step 5: Solve for x
    x = 164,106,562,392.17/468,621.35
  6. Step 6: Final answer
    x = 350,190.11

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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.