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Finding the Fourth Proportional to 544,077.80, 816,116.70 and 540,578.60

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Solution

The fourth proportional to 544,077.80, 816,116.70 and 540,578.60 is: 810,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,077.80 : 816,116.70 = 540,578.60 : x
  2. Step 2: Convert to fraction form
    544,077.80/816,116.70 = 540,578.60/x
  3. Step 3: Cross multiply
    544,077.80x = 816,116.70 × 540,578.60
  4. Step 4: Simplify right side
    544,077.80x = 441,175,223,122.62
  5. Step 5: Solve for x
    x = 441,175,223,122.62/544,077.80
  6. Step 6: Final answer
    x = 810,867.90

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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.