Home / 349,049.28-481,675.12-213,310.32

Finding the Fourth Proportional to 349,049.28, 481,675.12 and 213,310.32

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Solution

The fourth proportional to 349,049.28, 481,675.12 and 213,310.32 is: 294,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,049.28 : 481,675.12 = 213,310.32 : x
  2. Step 2: Convert to fraction form
    349,049.28/481,675.12 = 213,310.32/x
  3. Step 3: Cross multiply
    349,049.28x = 481,675.12 × 213,310.32
  4. Step 4: Simplify right side
    349,049.28x = 102,746,273,983.24
  5. Step 5: Solve for x
    x = 102,746,273,983.24/349,049.28
  6. Step 6: Final answer
    x = 294,360.37

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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.