Home / 329,619.28-493,622.52-297,670.51

Finding the Fourth Proportional to 329,619.28, 493,622.52 and 297,670.51

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Solution

The fourth proportional to 329,619.28, 493,622.52 and 297,670.51 is: 445,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,619.28 : 493,622.52 = 297,670.51 : x
  2. Step 2: Convert to fraction form
    329,619.28/493,622.52 = 297,670.51/x
  3. Step 3: Cross multiply
    329,619.28x = 493,622.52 × 297,670.51
  4. Step 4: Simplify right side
    329,619.28x = 146,936,867,275.89
  5. Step 5: Solve for x
    x = 146,936,867,275.89/329,619.28
  6. Step 6: Final answer
    x = 445,777.53

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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.