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Finding the Fourth Proportional to 350,334.12, 483,433.56 and 197,364

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Solution

The fourth proportional to 350,334.12, 483,433.56 and 197,364 is: 272,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,334.12 : 483,433.56 = 197,364 : x
  2. Step 2: Convert to fraction form
    350,334.12/483,433.56 = 197,364/x
  3. Step 3: Cross multiply
    350,334.12x = 483,433.56 × 197,364
  4. Step 4: Simplify right side
    350,334.12x = 95,412,381,135.84
  5. Step 5: Solve for x
    x = 95,412,381,135.84/350,334.12
  6. Step 6: Final answer
    x = 272,346.81

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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.