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Finding the Fourth Proportional to 877.33, 1,316.39 and 466.37

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Solution

The fourth proportional to 877.33, 1,316.39 and 466.37 is: 699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.33 : 1,316.39 = 466.37 : x
  2. Step 2: Convert to fraction form
    877.33/1,316.39 = 466.37/x
  3. Step 3: Cross multiply
    877.33x = 1,316.39 × 466.37
  4. Step 4: Simplify right side
    877.33x = 613,924.80
  5. Step 5: Solve for x
    x = 613,924.80/877.33
  6. Step 6: Final answer
    x = 699.76

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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.