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Finding the Fourth Proportional to 662,679.76, 994,019.62 and 164,043.76

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Solution

The fourth proportional to 662,679.76, 994,019.62 and 164,043.76 is: 246,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,679.76 : 994,019.62 = 164,043.76 : x
  2. Step 2: Convert to fraction form
    662,679.76/994,019.62 = 164,043.76/x
  3. Step 3: Cross multiply
    662,679.76x = 994,019.62 × 164,043.76
  4. Step 4: Simplify right side
    662,679.76x = 163,062,715,978.57
  5. Step 5: Solve for x
    x = 163,062,715,978.57/662,679.76
  6. Step 6: Final answer
    x = 246,065.64

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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.