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Finding the Fourth Proportional to 624,659.70, 936,989.55 and 269,426.10

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Solution

The fourth proportional to 624,659.70, 936,989.55 and 269,426.10 is: 404,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,659.70 : 936,989.55 = 269,426.10 : x
  2. Step 2: Convert to fraction form
    624,659.70/936,989.55 = 269,426.10/x
  3. Step 3: Cross multiply
    624,659.70x = 936,989.55 × 269,426.10
  4. Step 4: Simplify right side
    624,659.70x = 252,449,440,197.26
  5. Step 5: Solve for x
    x = 252,449,440,197.26/624,659.70
  6. Step 6: Final answer
    x = 404,139.15

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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.