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Finding the Fourth Proportional to 575,255.51, 793,879.63 and 320,608.52

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Solution

The fourth proportional to 575,255.51, 793,879.63 and 320,608.52 is: 442,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,255.51 : 793,879.63 = 320,608.52 : x
  2. Step 2: Convert to fraction form
    575,255.51/793,879.63 = 320,608.52/x
  3. Step 3: Cross multiply
    575,255.51x = 793,879.63 × 320,608.52
  4. Step 4: Simplify right side
    575,255.51x = 254,524,567,660.01
  5. Step 5: Solve for x
    x = 254,524,567,660.01/575,255.51
  6. Step 6: Final answer
    x = 442,454.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.