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Finding the Fourth Proportional to 427,084.88, 589,325.96 and 236,072.30

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Solution

The fourth proportional to 427,084.88, 589,325.96 and 236,072.30 is: 325,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,084.88 : 589,325.96 = 236,072.30 : x
  2. Step 2: Convert to fraction form
    427,084.88/589,325.96 = 236,072.30/x
  3. Step 3: Cross multiply
    427,084.88x = 589,325.96 × 236,072.30
  4. Step 4: Simplify right side
    427,084.88x = 139,123,532,470.46
  5. Step 5: Solve for x
    x = 139,123,532,470.46/427,084.88
  6. Step 6: Final answer
    x = 325,751.49

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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.