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Finding the Fourth Proportional to 569,960.20, 854,940.30 and 548,187.40

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Solution

The fourth proportional to 569,960.20, 854,940.30 and 548,187.40 is: 822,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,960.20 : 854,940.30 = 548,187.40 : x
  2. Step 2: Convert to fraction form
    569,960.20/854,940.30 = 548,187.40/x
  3. Step 3: Cross multiply
    569,960.20x = 854,940.30 × 548,187.40
  4. Step 4: Simplify right side
    569,960.20x = 468,667,500,212.22
  5. Step 5: Solve for x
    x = 468,667,500,212.22/569,960.20
  6. Step 6: Final answer
    x = 822,281.10

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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.