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Finding the Fourth Proportional to 427,063.13, 589,354.13 and 254,996.13

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Solution

The fourth proportional to 427,063.13, 589,354.13 and 254,996.13 is: 351,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,063.13 : 589,354.13 = 254,996.13 : x
  2. Step 2: Convert to fraction form
    427,063.13/589,354.13 = 254,996.13/x
  3. Step 3: Cross multiply
    427,063.13x = 589,354.13 × 254,996.13
  4. Step 4: Simplify right side
    427,063.13x = 150,283,021,074.54
  5. Step 5: Solve for x
    x = 150,283,021,074.54/427,063.13
  6. Step 6: Final answer
    x = 351,898.85

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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.