Home / 355,664.20-533,496.30-329,744.20

Finding the Fourth Proportional to 355,664.20, 533,496.30 and 329,744.20

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Solution

The fourth proportional to 355,664.20, 533,496.30 and 329,744.20 is: 494,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,664.20 : 533,496.30 = 329,744.20 : x
  2. Step 2: Convert to fraction form
    355,664.20/533,496.30 = 329,744.20/x
  3. Step 3: Cross multiply
    355,664.20x = 533,496.30 × 329,744.20
  4. Step 4: Simplify right side
    355,664.20x = 175,917,310,646.46
  5. Step 5: Solve for x
    x = 175,917,310,646.46/355,664.20
  6. Step 6: Final answer
    x = 494,616.30

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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.