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Finding the Fourth Proportional to 231,604.56, 316,695.81 and 231,604.56

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Solution

The fourth proportional to 231,604.56, 316,695.81 and 231,604.56 is: 316,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,604.56 : 316,695.81 = 231,604.56 : x
  2. Step 2: Convert to fraction form
    231,604.56/316,695.81 = 231,604.56/x
  3. Step 3: Cross multiply
    231,604.56x = 316,695.81 × 231,604.56
  4. Step 4: Simplify right side
    231,604.56x = 73,348,193,728.89
  5. Step 5: Solve for x
    x = 73,348,193,728.89/231,604.56
  6. Step 6: Final answer
    x = 316,695.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.