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Finding the Fourth Proportional to 347,201.64, 479,173.98 and 211,245.24

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Solution

The fourth proportional to 347,201.64, 479,173.98 and 211,245.24 is: 291,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,201.64 : 479,173.98 = 211,245.24 : x
  2. Step 2: Convert to fraction form
    347,201.64/479,173.98 = 211,245.24/x
  3. Step 3: Cross multiply
    347,201.64x = 479,173.98 × 211,245.24
  4. Step 4: Simplify right side
    347,201.64x = 101,223,222,406.86
  5. Step 5: Solve for x
    x = 101,223,222,406.86/347,201.64
  6. Step 6: Final answer
    x = 291,540.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.