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Finding the Fourth Proportional to 663,172.20, 994,758.30 and 164,536.20

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Solution

The fourth proportional to 663,172.20, 994,758.30 and 164,536.20 is: 246,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,172.20 : 994,758.30 = 164,536.20 : x
  2. Step 2: Convert to fraction form
    663,172.20/994,758.30 = 164,536.20/x
  3. Step 3: Cross multiply
    663,172.20x = 994,758.30 × 164,536.20
  4. Step 4: Simplify right side
    663,172.20x = 163,673,750,600.46
  5. Step 5: Solve for x
    x = 163,673,750,600.46/663,172.20
  6. Step 6: Final answer
    x = 246,804.30

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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.