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Finding the Fourth Proportional to 662,679.50, 994,019.26 and 164,043.50

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Solution

The fourth proportional to 662,679.50, 994,019.26 and 164,043.50 is: 246,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,679.50 : 994,019.26 = 164,043.50 : x
  2. Step 2: Convert to fraction form
    662,679.50/994,019.26 = 164,043.50/x
  3. Step 3: Cross multiply
    662,679.50x = 994,019.26 × 164,043.50
  4. Step 4: Simplify right side
    662,679.50x = 163,062,398,477.81
  5. Step 5: Solve for x
    x = 163,062,398,477.81/662,679.50
  6. Step 6: Final answer
    x = 246,065.25

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Double scale
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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.