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Finding the Fourth Proportional to 350,691.05, 483,953.73 and 197,729.54

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Solution

The fourth proportional to 350,691.05, 483,953.73 and 197,729.54 is: 272,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,691.05 : 483,953.73 = 197,729.54 : x
  2. Step 2: Convert to fraction form
    350,691.05/483,953.73 = 197,729.54/x
  3. Step 3: Cross multiply
    350,691.05x = 483,953.73 × 197,729.54
  4. Step 4: Simplify right side
    350,691.05x = 95,691,945,994.42
  5. Step 5: Solve for x
    x = 95,691,945,994.42/350,691.05
  6. Step 6: Final answer
    x = 272,866.81

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1.5x scale

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.