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Finding the Fourth Proportional to 449,654.24, 620,100.42 and 335,186.66

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Solution

The fourth proportional to 449,654.24, 620,100.42 and 335,186.66 is: 462,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,654.24 : 620,100.42 = 335,186.66 : x
  2. Step 2: Convert to fraction form
    449,654.24/620,100.42 = 335,186.66/x
  3. Step 3: Cross multiply
    449,654.24x = 620,100.42 × 335,186.66
  4. Step 4: Simplify right side
    449,654.24x = 207,849,388,644.40
  5. Step 5: Solve for x
    x = 207,849,388,644.40/449,654.24
  6. Step 6: Final answer
    x = 462,242.70

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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.