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Finding the Fourth Proportional to 329,085.80, 493,628.70 and 162,852.20

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Solution

The fourth proportional to 329,085.80, 493,628.70 and 162,852.20 is: 244,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.80 : 493,628.70 = 162,852.20 : x
  2. Step 2: Convert to fraction form
    329,085.80/493,628.70 = 162,852.20/x
  3. Step 3: Cross multiply
    329,085.80x = 493,628.70 × 162,852.20
  4. Step 4: Simplify right side
    329,085.80x = 80,388,519,778.14
  5. Step 5: Solve for x
    x = 80,388,519,778.14/329,085.80
  6. Step 6: Final answer
    x = 244,278.30

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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.