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Finding the Fourth Proportional to 442,090.26, 662,663.25 and 252,141.66

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Solution

The fourth proportional to 442,090.26, 662,663.25 and 252,141.66 is: 377,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,090.26 : 662,663.25 = 252,141.66 : x
  2. Step 2: Convert to fraction form
    442,090.26/662,663.25 = 252,141.66/x
  3. Step 3: Cross multiply
    442,090.26x = 662,663.25 × 252,141.66
  4. Step 4: Simplify right side
    442,090.26x = 167,085,011,876.00
  5. Step 5: Solve for x
    x = 167,085,011,876.00/442,090.26
  6. Step 6: Final answer
    x = 377,943.21

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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.