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Finding the Fourth Proportional to 539,453.44, 809,219.16 and 207,029.44

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Solution

The fourth proportional to 539,453.44, 809,219.16 and 207,029.44 is: 310,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,453.44 : 809,219.16 = 207,029.44 : x
  2. Step 2: Convert to fraction form
    539,453.44/809,219.16 = 207,029.44/x
  3. Step 3: Cross multiply
    539,453.44x = 809,219.16 × 207,029.44
  4. Step 4: Simplify right side
    539,453.44x = 167,532,189,532.07
  5. Step 5: Solve for x
    x = 167,532,189,532.07/539,453.44
  6. Step 6: Final answer
    x = 310,559.13

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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.