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Finding the Fourth Proportional to 581.98, 803.12 and 333.12

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Solution

The fourth proportional to 581.98, 803.12 and 333.12 is: 459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.98 : 803.12 = 333.12 : x
  2. Step 2: Convert to fraction form
    581.98/803.12 = 333.12/x
  3. Step 3: Cross multiply
    581.98x = 803.12 × 333.12
  4. Step 4: Simplify right side
    581.98x = 267,536.68
  5. Step 5: Solve for x
    x = 267,536.68/581.98
  6. Step 6: Final answer
    x = 459.70

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