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Finding the Fourth Proportional to 426,873.93, 589,086.23 and 235,887.32

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Solution

The fourth proportional to 426,873.93, 589,086.23 and 235,887.32 is: 325,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,873.93 : 589,086.23 = 235,887.32 : x
  2. Step 2: Convert to fraction form
    426,873.93/589,086.23 = 235,887.32/x
  3. Step 3: Cross multiply
    426,873.93x = 589,086.23 × 235,887.32
  4. Step 4: Simplify right side
    426,873.93x = 138,957,967,918.74
  5. Step 5: Solve for x
    x = 138,957,967,918.74/426,873.93
  6. Step 6: Final answer
    x = 325,524.61

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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.