Home / 347,976.20-521,964.30-237,384.20

Finding the Fourth Proportional to 347,976.20, 521,964.30 and 237,384.20

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Solution

The fourth proportional to 347,976.20, 521,964.30 and 237,384.20 is: 356,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,976.20 : 521,964.30 = 237,384.20 : x
  2. Step 2: Convert to fraction form
    347,976.20/521,964.30 = 237,384.20/x
  3. Step 3: Cross multiply
    347,976.20x = 521,964.30 × 237,384.20
  4. Step 4: Simplify right side
    347,976.20x = 123,906,077,784.06
  5. Step 5: Solve for x
    x = 123,906,077,784.06/347,976.20
  6. Step 6: Final answer
    x = 356,076.30

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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.