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Finding the Fourth Proportional to 1,702.07, 2,553.11 and 606.43

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Solution

The fourth proportional to 1,702.07, 2,553.11 and 606.43 is: 909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.07 : 2,553.11 = 606.43 : x
  2. Step 2: Convert to fraction form
    1,702.07/2,553.11 = 606.43/x
  3. Step 3: Cross multiply
    1,702.07x = 2,553.11 × 606.43
  4. Step 4: Simplify right side
    1,702.07x = 1,548,273.08
  5. Step 5: Solve for x
    x = 1,548,273.08/1,702.07
  6. Step 6: Final answer
    x = 909.64

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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.