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Finding the Fourth Proportional to 662,868.80, 994,302.12 and 164,232.80

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Solution

The fourth proportional to 662,868.80, 994,302.12 and 164,232.80 is: 246,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,868.80 : 994,302.12 = 164,232.80 : x
  2. Step 2: Convert to fraction form
    662,868.80/994,302.12 = 164,232.80/x
  3. Step 3: Cross multiply
    662,868.80x = 994,302.12 × 164,232.80
  4. Step 4: Simplify right side
    662,868.80x = 163,297,021,213.54
  5. Step 5: Solve for x
    x = 163,297,021,213.54/662,868.80
  6. Step 6: Final answer
    x = 246,348.93

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Double scale
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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.