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Finding the Fourth Proportional to 353,770.55, 488,199.12 and 192,625.56

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Solution

The fourth proportional to 353,770.55, 488,199.12 and 192,625.56 is: 265,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,770.55 : 488,199.12 = 192,625.56 : x
  2. Step 2: Convert to fraction form
    353,770.55/488,199.12 = 192,625.56/x
  3. Step 3: Cross multiply
    353,770.55x = 488,199.12 × 192,625.56
  4. Step 4: Simplify right side
    353,770.55x = 94,039,628,881.51
  5. Step 5: Solve for x
    x = 94,039,628,881.51/353,770.55
  6. Step 6: Final answer
    x = 265,820.96

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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.