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Finding the Fourth Proportional to 468,186.54, 646,092.83 and 253,321.89

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Solution

The fourth proportional to 468,186.54, 646,092.83 and 253,321.89 is: 349,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,186.54 : 646,092.83 = 253,321.89 : x
  2. Step 2: Convert to fraction form
    468,186.54/646,092.83 = 253,321.89/x
  3. Step 3: Cross multiply
    468,186.54x = 646,092.83 × 253,321.89
  4. Step 4: Simplify right side
    468,186.54x = 163,669,455,544.44
  5. Step 5: Solve for x
    x = 163,669,455,544.44/468,186.54
  6. Step 6: Final answer
    x = 349,581.72

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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.