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Finding the Fourth Proportional to 433,693.20, 650,102.40 and 197,205.60

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Solution

The fourth proportional to 433,693.20, 650,102.40 and 197,205.60 is: 295,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,693.20 : 650,102.40 = 197,205.60 : x
  2. Step 2: Convert to fraction form
    433,693.20/650,102.40 = 197,205.60/x
  3. Step 3: Cross multiply
    433,693.20x = 650,102.40 × 197,205.60
  4. Step 4: Simplify right side
    433,693.20x = 128,203,833,853.44
  5. Step 5: Solve for x
    x = 128,203,833,853.44/433,693.20
  6. Step 6: Final answer
    x = 295,609.51

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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.