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Finding the Fourth Proportional to 588.02, 882.02 and 558.81

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Solution

The fourth proportional to 588.02, 882.02 and 558.81 is: 838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.02 : 882.02 = 558.81 : x
  2. Step 2: Convert to fraction form
    588.02/882.02 = 558.81/x
  3. Step 3: Cross multiply
    588.02x = 882.02 × 558.81
  4. Step 4: Simplify right side
    588.02x = 492,878.80
  5. Step 5: Solve for x
    x = 492,878.80/588.02
  6. Step 6: Final answer
    x = 838.21

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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.