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Finding the Fourth Proportional to 896.84, 1,345.88 and 588.84

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Solution

The fourth proportional to 896.84, 1,345.88 and 588.84 is: 883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.84 : 1,345.88 = 588.84 : x
  2. Step 2: Convert to fraction form
    896.84/1,345.88 = 588.84/x
  3. Step 3: Cross multiply
    896.84x = 1,345.88 × 588.84
  4. Step 4: Simplify right side
    896.84x = 792,507.98
  5. Step 5: Solve for x
    x = 792,507.98/896.84
  6. Step 6: Final answer
    x = 883.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.