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Finding the Fourth Proportional to 400,506.40, 601,099.80 and 164,018.80

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Solution

The fourth proportional to 400,506.40, 601,099.80 and 164,018.80 is: 246,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,506.40 : 601,099.80 = 164,018.80 : x
  2. Step 2: Convert to fraction form
    400,506.40/601,099.80 = 164,018.80/x
  3. Step 3: Cross multiply
    400,506.40x = 601,099.80 × 164,018.80
  4. Step 4: Simplify right side
    400,506.40x = 98,591,667,876.24
  5. Step 5: Solve for x
    x = 98,591,667,876.24/400,506.40
  6. Step 6: Final answer
    x = 246,167.52

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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.