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Finding the Fourth Proportional to 663,300.76, 994,951.10 and 164,664.76

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Solution

The fourth proportional to 663,300.76, 994,951.10 and 164,664.76 is: 246,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,300.76 : 994,951.10 = 164,664.76 : x
  2. Step 2: Convert to fraction form
    663,300.76/994,951.10 = 164,664.76/x
  3. Step 3: Cross multiply
    663,300.76x = 994,951.10 × 164,664.76
  4. Step 4: Simplify right side
    663,300.76x = 163,833,384,093.24
  5. Step 5: Solve for x
    x = 163,833,384,093.24/663,300.76
  6. Step 6: Final answer
    x = 246,997.13

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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.