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Finding the Fourth Proportional to 543,037.80, 814,556.70 and 375,076.20

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Solution

The fourth proportional to 543,037.80, 814,556.70 and 375,076.20 is: 562,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,037.80 : 814,556.70 = 375,076.20 : x
  2. Step 2: Convert to fraction form
    543,037.80/814,556.70 = 375,076.20/x
  3. Step 3: Cross multiply
    543,037.80x = 814,556.70 × 375,076.20
  4. Step 4: Simplify right side
    543,037.80x = 305,520,831,720.54
  5. Step 5: Solve for x
    x = 305,520,831,720.54/543,037.80
  6. Step 6: Final answer
    x = 562,614.30

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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.