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Finding the Fourth Proportional to 358,063.46, 494,116.25 and 196,918.01

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Solution

The fourth proportional to 358,063.46, 494,116.25 and 196,918.01 is: 271,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,063.46 : 494,116.25 = 196,918.01 : x
  2. Step 2: Convert to fraction form
    358,063.46/494,116.25 = 196,918.01/x
  3. Step 3: Cross multiply
    358,063.46x = 494,116.25 × 196,918.01
  4. Step 4: Simplify right side
    358,063.46x = 97,300,385,203.49
  5. Step 5: Solve for x
    x = 97,300,385,203.49/358,063.46
  6. Step 6: Final answer
    x = 271,740.62

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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.