Home / 329,664.40-494,496.60-223,376.20

Finding the Fourth Proportional to 329,664.40, 494,496.60 and 223,376.20

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Solution

The fourth proportional to 329,664.40, 494,496.60 and 223,376.20 is: 335,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,664.40 : 494,496.60 = 223,376.20 : x
  2. Step 2: Convert to fraction form
    329,664.40/494,496.60 = 223,376.20/x
  3. Step 3: Cross multiply
    329,664.40x = 494,496.60 × 223,376.20
  4. Step 4: Simplify right side
    329,664.40x = 110,458,771,420.92
  5. Step 5: Solve for x
    x = 110,458,771,420.92/329,664.40
  6. Step 6: Final answer
    x = 335,064.30

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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.