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Finding the Fourth Proportional to 662,679.75, 994,019.64 and 164,043.75

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Solution

The fourth proportional to 662,679.75, 994,019.64 and 164,043.75 is: 246,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,679.75 : 994,019.64 = 164,043.75 : x
  2. Step 2: Convert to fraction form
    662,679.75/994,019.64 = 164,043.75/x
  3. Step 3: Cross multiply
    662,679.75x = 994,019.64 × 164,043.75
  4. Step 4: Simplify right side
    662,679.75x = 163,062,709,319.25
  5. Step 5: Solve for x
    x = 163,062,709,319.25/662,679.75
  6. Step 6: Final answer
    x = 246,065.63

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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.