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Finding the Fourth Proportional to 539,010.40, 806,960.40 and 523,458.40

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Solution

The fourth proportional to 539,010.40, 806,960.40 and 523,458.40 is: 783,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,010.40 : 806,960.40 = 523,458.40 : x
  2. Step 2: Convert to fraction form
    539,010.40/806,960.40 = 523,458.40/x
  3. Step 3: Cross multiply
    539,010.40x = 806,960.40 × 523,458.40
  4. Step 4: Simplify right side
    539,010.40x = 422,410,199,847.36
  5. Step 5: Solve for x
    x = 422,410,199,847.36/539,010.40
  6. Step 6: Final answer
    x = 783,677.27

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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.