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Finding the Fourth Proportional to 364,512.60, 546,768.90 and 275,939.10

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Solution

The fourth proportional to 364,512.60, 546,768.90 and 275,939.10 is: 413,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,512.60 : 546,768.90 = 275,939.10 : x
  2. Step 2: Convert to fraction form
    364,512.60/546,768.90 = 275,939.10/x
  3. Step 3: Cross multiply
    364,512.60x = 546,768.90 × 275,939.10
  4. Step 4: Simplify right side
    364,512.60x = 150,874,918,173.99
  5. Step 5: Solve for x
    x = 150,874,918,173.99/364,512.60
  6. Step 6: Final answer
    x = 413,908.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.