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Finding the Fourth Proportional to 550,879.83, 826,323.39 and 151,562.79

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Solution

The fourth proportional to 550,879.83, 826,323.39 and 151,562.79 is: 227,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,879.83 : 826,323.39 = 151,562.79 : x
  2. Step 2: Convert to fraction form
    550,879.83/826,323.39 = 151,562.79/x
  3. Step 3: Cross multiply
    550,879.83x = 826,323.39 × 151,562.79
  4. Step 4: Simplify right side
    550,879.83x = 125,239,878,430.66
  5. Step 5: Solve for x
    x = 125,239,878,430.66/550,879.83
  6. Step 6: Final answer
    x = 227,345.19

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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.