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Finding the Fourth Proportional to 1,030.93, 1,546.14 and 482.56

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Solution

The fourth proportional to 1,030.93, 1,546.14 and 482.56 is: 723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.93 : 1,546.14 = 482.56 : x
  2. Step 2: Convert to fraction form
    1,030.93/1,546.14 = 482.56/x
  3. Step 3: Cross multiply
    1,030.93x = 1,546.14 × 482.56
  4. Step 4: Simplify right side
    1,030.93x = 746,100.55
  5. Step 5: Solve for x
    x = 746,100.55/1,030.93
  6. Step 6: Final answer
    x = 723.72

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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.