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Finding the Fourth Proportional to 329,852.70, 494,779.05 and 163,964.70

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Solution

The fourth proportional to 329,852.70, 494,779.05 and 163,964.70 is: 245,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,852.70 : 494,779.05 = 163,964.70 : x
  2. Step 2: Convert to fraction form
    329,852.70/494,779.05 = 163,964.70/x
  3. Step 3: Cross multiply
    329,852.70x = 494,779.05 × 163,964.70
  4. Step 4: Simplify right side
    329,852.70x = 81,126,298,499.54
  5. Step 5: Solve for x
    x = 81,126,298,499.54/329,852.70
  6. Step 6: Final answer
    x = 245,947.05

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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.