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Finding the Fourth Proportional to 329,147.40, 493,721.10 and 246,203.40

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Solution

The fourth proportional to 329,147.40, 493,721.10 and 246,203.40 is: 369,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,147.40 : 493,721.10 = 246,203.40 : x
  2. Step 2: Convert to fraction form
    329,147.40/493,721.10 = 246,203.40/x
  3. Step 3: Cross multiply
    329,147.40x = 493,721.10 × 246,203.40
  4. Step 4: Simplify right side
    329,147.40x = 121,555,813,471.74
  5. Step 5: Solve for x
    x = 121,555,813,471.74/329,147.40
  6. Step 6: Final answer
    x = 369,305.10

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Similar ratio
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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.