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Finding the Fourth Proportional to 539,076.40, 807,059.40 and 523,524.40

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Solution

The fourth proportional to 539,076.40, 807,059.40 and 523,524.40 is: 783,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,076.40 : 807,059.40 = 523,524.40 : x
  2. Step 2: Convert to fraction form
    539,076.40/807,059.40 = 523,524.40/x
  3. Step 3: Cross multiply
    539,076.40x = 807,059.40 × 523,524.40
  4. Step 4: Simplify right side
    539,076.40x = 422,515,288,149.36
  5. Step 5: Solve for x
    x = 422,515,288,149.36/539,076.40
  6. Step 6: Final answer
    x = 783,776.27

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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.