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Finding the Fourth Proportional to 1,628.99, 2,442.98 and 588.86

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Solution

The fourth proportional to 1,628.99, 2,442.98 and 588.86 is: 883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.99 : 2,442.98 = 588.86 : x
  2. Step 2: Convert to fraction form
    1,628.99/2,442.98 = 588.86/x
  3. Step 3: Cross multiply
    1,628.99x = 2,442.98 × 588.86
  4. Step 4: Simplify right side
    1,628.99x = 1,438,576.37
  5. Step 5: Solve for x
    x = 1,438,576.37/1,628.99
  6. Step 6: Final answer
    x = 883.11

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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.