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Finding the Fourth Proportional to 344,328.54, 475,173 and 191,361.93

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Solution

The fourth proportional to 344,328.54, 475,173 and 191,361.93 is: 264,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,328.54 : 475,173 = 191,361.93 : x
  2. Step 2: Convert to fraction form
    344,328.54/475,173 = 191,361.93/x
  3. Step 3: Cross multiply
    344,328.54x = 475,173 × 191,361.93
  4. Step 4: Simplify right side
    344,328.54x = 90,930,022,363.89
  5. Step 5: Solve for x
    x = 90,930,022,363.89/344,328.54
  6. Step 6: Final answer
    x = 264,079.25

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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.