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Finding the Fourth Proportional to 349,158, 481,802.25 and 196,171.86

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Solution

The fourth proportional to 349,158, 481,802.25 and 196,171.86 is: 270,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,158 : 481,802.25 = 196,171.86 : x
  2. Step 2: Convert to fraction form
    349,158/481,802.25 = 196,171.86/x
  3. Step 3: Cross multiply
    349,158x = 481,802.25 × 196,171.86
  4. Step 4: Simplify right side
    349,158x = 94,516,043,534.69
  5. Step 5: Solve for x
    x = 94,516,043,534.69/349,158
  6. Step 6: Final answer
    x = 270,697.06

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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.