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Finding the Fourth Proportional to 670.98, 1,006.63 and 184.07

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Solution

The fourth proportional to 670.98, 1,006.63 and 184.07 is: 276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.98 : 1,006.63 = 184.07 : x
  2. Step 2: Convert to fraction form
    670.98/1,006.63 = 184.07/x
  3. Step 3: Cross multiply
    670.98x = 1,006.63 × 184.07
  4. Step 4: Simplify right side
    670.98x = 185,292.44
  5. Step 5: Solve for x
    x = 185,292.44/670.98
  6. Step 6: Final answer
    x = 276.15

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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.