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Finding the Fourth Proportional to 544,010.40, 816,145.20 and 263,296.80

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Solution

The fourth proportional to 544,010.40, 816,145.20 and 263,296.80 is: 395,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,010.40 : 816,145.20 = 263,296.80 : x
  2. Step 2: Convert to fraction form
    544,010.40/816,145.20 = 263,296.80/x
  3. Step 3: Cross multiply
    544,010.40x = 816,145.20 × 263,296.80
  4. Step 4: Simplify right side
    544,010.40x = 214,888,419,495.36
  5. Step 5: Solve for x
    x = 214,888,419,495.36/544,010.40
  6. Step 6: Final answer
    x = 395,007.93

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1.5x scale

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.