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Finding the Fourth Proportional to 231,605.56, 316,697.18 and 231,605.56

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Solution

The fourth proportional to 231,605.56, 316,697.18 and 231,605.56 is: 316,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,605.56 : 316,697.18 = 231,605.56 : x
  2. Step 2: Convert to fraction form
    231,605.56/316,697.18 = 231,605.56/x
  3. Step 3: Cross multiply
    231,605.56x = 316,697.18 × 231,605.56
  4. Step 4: Simplify right side
    231,605.56x = 73,348,827,724.32
  5. Step 5: Solve for x
    x = 73,348,827,724.32/231,605.56
  6. Step 6: Final answer
    x = 316,697.18

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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.