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Finding the Fourth Proportional to 1,301.45, 1,795.82 and 734.22

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Solution

The fourth proportional to 1,301.45, 1,795.82 and 734.22 is: 1,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.45 : 1,795.82 = 734.22 : x
  2. Step 2: Convert to fraction form
    1,301.45/1,795.82 = 734.22/x
  3. Step 3: Cross multiply
    1,301.45x = 1,795.82 × 734.22
  4. Step 4: Simplify right side
    1,301.45x = 1,318,523.29
  5. Step 5: Solve for x
    x = 1,318,523.29/1,301.45
  6. Step 6: Final answer
    x = 1,013.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.