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Finding the Fourth Proportional to 1,134.89, 1,702.01 and 404.37

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Solution

The fourth proportional to 1,134.89, 1,702.01 and 404.37 is: 606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.89 : 1,702.01 = 404.37 : x
  2. Step 2: Convert to fraction form
    1,134.89/1,702.01 = 404.37/x
  3. Step 3: Cross multiply
    1,134.89x = 1,702.01 × 404.37
  4. Step 4: Simplify right side
    1,134.89x = 688,242.79
  5. Step 5: Solve for x
    x = 688,242.79/1,134.89
  6. Step 6: Final answer
    x = 606.44

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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.