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Finding the Fourth Proportional to 408,026.70, 612,040.05 and 108,506.70

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Solution

The fourth proportional to 408,026.70, 612,040.05 and 108,506.70 is: 162,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,026.70 : 612,040.05 = 108,506.70 : x
  2. Step 2: Convert to fraction form
    408,026.70/612,040.05 = 108,506.70/x
  3. Step 3: Cross multiply
    408,026.70x = 612,040.05 × 108,506.70
  4. Step 4: Simplify right side
    408,026.70x = 66,410,446,093.34
  5. Step 5: Solve for x
    x = 66,410,446,093.34/408,026.70
  6. Step 6: Final answer
    x = 162,760.05

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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.