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Finding the Fourth Proportional to 999.46, 1,499.44 and 588.94

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Solution

The fourth proportional to 999.46, 1,499.44 and 588.94 is: 883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.46 : 1,499.44 = 588.94 : x
  2. Step 2: Convert to fraction form
    999.46/1,499.44 = 588.94/x
  3. Step 3: Cross multiply
    999.46x = 1,499.44 × 588.94
  4. Step 4: Simplify right side
    999.46x = 883,080.19
  5. Step 5: Solve for x
    x = 883,080.19/999.46
  6. Step 6: Final answer
    x = 883.56

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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.