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Finding the Fourth Proportional to 494,888.76, 741,969.66 and 157,735.32

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Solution

The fourth proportional to 494,888.76, 741,969.66 and 157,735.32 is: 236,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,888.76 : 741,969.66 = 157,735.32 : x
  2. Step 2: Convert to fraction form
    494,888.76/741,969.66 = 157,735.32/x
  3. Step 3: Cross multiply
    494,888.76x = 741,969.66 × 157,735.32
  4. Step 4: Simplify right side
    494,888.76x = 117,034,821,750.39
  5. Step 5: Solve for x
    x = 117,034,821,750.39/494,888.76
  6. Step 6: Final answer
    x = 236,487.13

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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.