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Finding the Fourth Proportional to 354,121.56, 488,675.34 and 192,973.32

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Solution

The fourth proportional to 354,121.56, 488,675.34 and 192,973.32 is: 266,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,121.56 : 488,675.34 = 192,973.32 : x
  2. Step 2: Convert to fraction form
    354,121.56/488,675.34 = 192,973.32/x
  3. Step 3: Cross multiply
    354,121.56x = 488,675.34 × 192,973.32
  4. Step 4: Simplify right side
    354,121.56x = 94,301,302,761.93
  5. Step 5: Solve for x
    x = 94,301,302,761.93/354,121.56
  6. Step 6: Final answer
    x = 266,296.42

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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.