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Finding the Fourth Proportional to 328,843.83, 493,077.33 and 101,080.13

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Solution

The fourth proportional to 328,843.83, 493,077.33 and 101,080.13 is: 151,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,843.83 : 493,077.33 = 101,080.13 : x
  2. Step 2: Convert to fraction form
    328,843.83/493,077.33 = 101,080.13/x
  3. Step 3: Cross multiply
    328,843.83x = 493,077.33 × 101,080.13
  4. Step 4: Simplify right side
    328,843.83x = 49,840,320,616.45
  5. Step 5: Solve for x
    x = 49,840,320,616.45/328,843.83
  6. Step 6: Final answer
    x = 151,562.28

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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.