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Finding the Fourth Proportional to 505,847.56, 759,145.52 and 239,608.68

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Solution

The fourth proportional to 505,847.56, 759,145.52 and 239,608.68 is: 359,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,847.56 : 759,145.52 = 239,608.68 : x
  2. Step 2: Convert to fraction form
    505,847.56/759,145.52 = 239,608.68/x
  3. Step 3: Cross multiply
    505,847.56x = 759,145.52 × 239,608.68
  4. Step 4: Simplify right side
    505,847.56x = 181,897,855,975.11
  5. Step 5: Solve for x
    x = 181,897,855,975.11/505,847.56
  6. Step 6: Final answer
    x = 359,590.26

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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.