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Finding the Fourth Proportional to 358,190.51, 494,287.31 and 197,035.34

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Solution

The fourth proportional to 358,190.51, 494,287.31 and 197,035.34 is: 271,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,190.51 : 494,287.31 = 197,035.34 : x
  2. Step 2: Convert to fraction form
    358,190.51/494,287.31 = 197,035.34/x
  3. Step 3: Cross multiply
    358,190.51x = 494,287.31 × 197,035.34
  4. Step 4: Simplify right side
    358,190.51x = 97,392,066,204.69
  5. Step 5: Solve for x
    x = 97,392,066,204.69/358,190.51
  6. Step 6: Final answer
    x = 271,900.19

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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.