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Finding the Fourth Proportional to 344,457, 475,395.21 and 193,554

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Solution

The fourth proportional to 344,457, 475,395.21 and 193,554 is: 267,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,457 : 475,395.21 = 193,554 : x
  2. Step 2: Convert to fraction form
    344,457/475,395.21 = 193,554/x
  3. Step 3: Cross multiply
    344,457x = 475,395.21 × 193,554
  4. Step 4: Simplify right side
    344,457x = 92,014,644,476.34
  5. Step 5: Solve for x
    x = 92,014,644,476.34/344,457
  6. Step 6: Final answer
    x = 267,129.55

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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.