Home / 309,260.20-463,493.80-269,112.28

Finding the Fourth Proportional to 309,260.20, 463,493.80 and 269,112.28

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Solution

The fourth proportional to 309,260.20, 463,493.80 and 269,112.28 is: 403,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,260.20 : 463,493.80 = 269,112.28 : x
  2. Step 2: Convert to fraction form
    309,260.20/463,493.80 = 269,112.28/x
  3. Step 3: Cross multiply
    309,260.20x = 463,493.80 × 269,112.28
  4. Step 4: Simplify right side
    309,260.20x = 124,731,873,283.86
  5. Step 5: Solve for x
    x = 124,731,873,283.86/309,260.20
  6. Step 6: Final answer
    x = 403,323.39

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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.