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Finding the Fourth Proportional to 264,009.80, 396,014.70 and 164,282.60

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Solution

The fourth proportional to 264,009.80, 396,014.70 and 164,282.60 is: 246,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,009.80 : 396,014.70 = 164,282.60 : x
  2. Step 2: Convert to fraction form
    264,009.80/396,014.70 = 164,282.60/x
  3. Step 3: Cross multiply
    264,009.80x = 396,014.70 × 164,282.60
  4. Step 4: Simplify right side
    264,009.80x = 65,058,324,554.22
  5. Step 5: Solve for x
    x = 65,058,324,554.22/264,009.80
  6. Step 6: Final answer
    x = 246,423.90

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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.