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Finding the Fourth Proportional to 371,697.36, 512,952.87 and 210,552.36

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Solution

The fourth proportional to 371,697.36, 512,952.87 and 210,552.36 is: 290,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,697.36 : 512,952.87 = 210,552.36 : x
  2. Step 2: Convert to fraction form
    371,697.36/512,952.87 = 210,552.36/x
  3. Step 3: Cross multiply
    371,697.36x = 512,952.87 × 210,552.36
  4. Step 4: Simplify right side
    371,697.36x = 108,003,437,914.27
  5. Step 5: Solve for x
    x = 108,003,437,914.27/371,697.36
  6. Step 6: Final answer
    x = 290,568.22

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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.