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Finding the Fourth Proportional to 505,839.57, 759,133.53 and 239,600.69

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Solution

The fourth proportional to 505,839.57, 759,133.53 and 239,600.69 is: 359,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,839.57 : 759,133.53 = 239,600.69 : x
  2. Step 2: Convert to fraction form
    505,839.57/759,133.53 = 239,600.69/x
  3. Step 3: Cross multiply
    505,839.57x = 759,133.53 × 239,600.69
  4. Step 4: Simplify right side
    505,839.57x = 181,888,913,794.47
  5. Step 5: Solve for x
    x = 181,888,913,794.47/505,839.57
  6. Step 6: Final answer
    x = 359,578.26

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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.