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Finding the Fourth Proportional to 347,505, 479,553.66 and 196,602

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Solution

The fourth proportional to 347,505, 479,553.66 and 196,602 is: 271,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,505 : 479,553.66 = 196,602 : x
  2. Step 2: Convert to fraction form
    347,505/479,553.66 = 196,602/x
  3. Step 3: Cross multiply
    347,505x = 479,553.66 × 196,602
  4. Step 4: Simplify right side
    347,505x = 94,281,208,663.32
  5. Step 5: Solve for x
    x = 94,281,208,663.32/347,505
  6. Step 6: Final answer
    x = 271,308.93

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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.