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Finding the Fourth Proportional to 944.97, 1,417.60 and 482.49

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Solution

The fourth proportional to 944.97, 1,417.60 and 482.49 is: 723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.97 : 1,417.60 = 482.49 : x
  2. Step 2: Convert to fraction form
    944.97/1,417.60 = 482.49/x
  3. Step 3: Cross multiply
    944.97x = 1,417.60 × 482.49
  4. Step 4: Simplify right side
    944.97x = 683,981.03
  5. Step 5: Solve for x
    x = 683,981.03/944.97
  6. Step 6: Final answer
    x = 723.82

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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.