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Finding the Fourth Proportional to 426,855.96, 589,073.11 and 235,881.65

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Solution

The fourth proportional to 426,855.96, 589,073.11 and 235,881.65 is: 325,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,855.96 : 589,073.11 = 235,881.65 : x
  2. Step 2: Convert to fraction form
    426,855.96/589,073.11 = 235,881.65/x
  3. Step 3: Cross multiply
    426,855.96x = 589,073.11 × 235,881.65
  4. Step 4: Simplify right side
    426,855.96x = 138,951,538,040.41
  5. Step 5: Solve for x
    x = 138,951,538,040.41/426,855.96
  6. Step 6: Final answer
    x = 325,523.25

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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.