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Finding the Fourth Proportional to 397,186.74, 547,991.73 and 246,371.22

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Solution

The fourth proportional to 397,186.74, 547,991.73 and 246,371.22 is: 339,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,186.74 : 547,991.73 = 246,371.22 : x
  2. Step 2: Convert to fraction form
    397,186.74/547,991.73 = 246,371.22/x
  3. Step 3: Cross multiply
    397,186.74x = 547,991.73 × 246,371.22
  4. Step 4: Simplify right side
    397,186.74x = 135,009,391,070.01
  5. Step 5: Solve for x
    x = 135,009,391,070.01/397,186.74
  6. Step 6: Final answer
    x = 339,914.14

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1.5x scale

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.