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Finding the Fourth Proportional to 1,164.67, 1,746.99 and 471.33

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Solution

The fourth proportional to 1,164.67, 1,746.99 and 471.33 is: 706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.67 : 1,746.99 = 471.33 : x
  2. Step 2: Convert to fraction form
    1,164.67/1,746.99 = 471.33/x
  3. Step 3: Cross multiply
    1,164.67x = 1,746.99 × 471.33
  4. Step 4: Simplify right side
    1,164.67x = 823,408.80
  5. Step 5: Solve for x
    x = 823,408.80/1,164.67
  6. Step 6: Final answer
    x = 706.99

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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.