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Finding the Fourth Proportional to 344,290.44, 475,090.50 and 191,318.90

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Solution

The fourth proportional to 344,290.44, 475,090.50 and 191,318.90 is: 264,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,290.44 : 475,090.50 = 191,318.90 : x
  2. Step 2: Convert to fraction form
    344,290.44/475,090.50 = 191,318.90/x
  3. Step 3: Cross multiply
    344,290.44x = 475,090.50 × 191,318.90
  4. Step 4: Simplify right side
    344,290.44x = 90,893,791,860.45
  5. Step 5: Solve for x
    x = 90,893,791,860.45/344,290.44
  6. Step 6: Final answer
    x = 264,003.24

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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.