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Finding the Fourth Proportional to 320,249.40, 441,936.47 and 175,048.66

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Solution

The fourth proportional to 320,249.40, 441,936.47 and 175,048.66 is: 241,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,249.40 : 441,936.47 = 175,048.66 : x
  2. Step 2: Convert to fraction form
    320,249.40/441,936.47 = 175,048.66/x
  3. Step 3: Cross multiply
    320,249.40x = 441,936.47 × 175,048.66
  4. Step 4: Simplify right side
    320,249.40x = 77,360,388,040.87
  5. Step 5: Solve for x
    x = 77,360,388,040.87/320,249.40
  6. Step 6: Final answer
    x = 241,562.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.