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Finding the Fourth Proportional to 572,571.18, 858,791.16 and 151,879.86

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Solution

The fourth proportional to 572,571.18, 858,791.16 and 151,879.86 is: 227,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,571.18 : 858,791.16 = 151,879.86 : x
  2. Step 2: Convert to fraction form
    572,571.18/858,791.16 = 151,879.86/x
  3. Step 3: Cross multiply
    572,571.18x = 858,791.16 × 151,879.86
  4. Step 4: Simplify right side
    572,571.18x = 130,433,081,150.04
  5. Step 5: Solve for x
    x = 130,433,081,150.04/572,571.18
  6. Step 6: Final answer
    x = 227,802.39

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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.