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Finding the Fourth Proportional to 347,633.64, 479,741.22 and 226,852.20

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Solution

The fourth proportional to 347,633.64, 479,741.22 and 226,852.20 is: 313,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633.64 : 479,741.22 = 226,852.20 : x
  2. Step 2: Convert to fraction form
    347,633.64/479,741.22 = 226,852.20/x
  3. Step 3: Cross multiply
    347,633.64x = 479,741.22 × 226,852.20
  4. Step 4: Simplify right side
    347,633.64x = 108,830,351,187.68
  5. Step 5: Solve for x
    x = 108,830,351,187.68/347,633.64
  6. Step 6: Final answer
    x = 313,060.47

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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.