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Finding the Fourth Proportional to 328,843.33, 493,076.58 and 101,079.63

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Solution

The fourth proportional to 328,843.33, 493,076.58 and 101,079.63 is: 151,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,843.33 : 493,076.58 = 101,079.63 : x
  2. Step 2: Convert to fraction form
    328,843.33/493,076.58 = 101,079.63/x
  3. Step 3: Cross multiply
    328,843.33x = 493,076.58 × 101,079.63
  4. Step 4: Simplify right side
    328,843.33x = 49,839,997,035.37
  5. Step 5: Solve for x
    x = 49,839,997,035.37/328,843.33
  6. Step 6: Final answer
    x = 151,561.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.