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Finding the Fourth Proportional to 1,347.96, 2,022.17 and 482.07

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Solution

The fourth proportional to 1,347.96, 2,022.17 and 482.07 is: 723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.96 : 2,022.17 = 482.07 : x
  2. Step 2: Convert to fraction form
    1,347.96/2,022.17 = 482.07/x
  3. Step 3: Cross multiply
    1,347.96x = 2,022.17 × 482.07
  4. Step 4: Simplify right side
    1,347.96x = 974,827.49
  5. Step 5: Solve for x
    x = 974,827.49/1,347.96
  6. Step 6: Final answer
    x = 723.19

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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.