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Finding the Fourth Proportional to 1,302.93, 1,955.25 and 481.32

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Solution

The fourth proportional to 1,302.93, 1,955.25 and 481.32 is: 722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.93 : 1,955.25 = 481.32 : x
  2. Step 2: Convert to fraction form
    1,302.93/1,955.25 = 481.32/x
  3. Step 3: Cross multiply
    1,302.93x = 1,955.25 × 481.32
  4. Step 4: Simplify right side
    1,302.93x = 941,100.93
  5. Step 5: Solve for x
    x = 941,100.93/1,302.93
  6. Step 6: Final answer
    x = 722.30

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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.