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Finding the Fourth Proportional to 368,488.26, 551,846.63 and 210,236.94

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Solution

The fourth proportional to 368,488.26, 551,846.63 and 210,236.94 is: 314,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,488.26 : 551,846.63 = 210,236.94 : x
  2. Step 2: Convert to fraction form
    368,488.26/551,846.63 = 210,236.94/x
  3. Step 3: Cross multiply
    368,488.26x = 551,846.63 × 210,236.94
  4. Step 4: Simplify right side
    368,488.26x = 116,018,546,840.51
  5. Step 5: Solve for x
    x = 116,018,546,840.51/368,488.26
  6. Step 6: Final answer
    x = 314,850.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.