Home / 347,456.20-521,184.30-236,864.20

Finding the Fourth Proportional to 347,456.20, 521,184.30 and 236,864.20

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Solution

The fourth proportional to 347,456.20, 521,184.30 and 236,864.20 is: 355,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,456.20 : 521,184.30 = 236,864.20 : x
  2. Step 2: Convert to fraction form
    347,456.20/521,184.30 = 236,864.20/x
  3. Step 3: Cross multiply
    347,456.20x = 521,184.30 × 236,864.20
  4. Step 4: Simplify right side
    347,456.20x = 123,449,902,272.06
  5. Step 5: Solve for x
    x = 123,449,902,272.06/347,456.20
  6. Step 6: Final answer
    x = 355,296.30

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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.