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Finding the Fourth Proportional to 297,686.64, 446,538.60 and 131,487.60

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Solution

The fourth proportional to 297,686.64, 446,538.60 and 131,487.60 is: 197,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,686.64 : 446,538.60 = 131,487.60 : x
  2. Step 2: Convert to fraction form
    297,686.64/446,538.60 = 131,487.60/x
  3. Step 3: Cross multiply
    297,686.64x = 446,538.60 × 131,487.60
  4. Step 4: Simplify right side
    297,686.64x = 58,714,288,821.36
  5. Step 5: Solve for x
    x = 58,714,288,821.36/297,686.64
  6. Step 6: Final answer
    x = 197,235.22

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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.