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Finding the Fourth Proportional to 1,506.97, 2,260.22 and 411.42

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Solution

The fourth proportional to 1,506.97, 2,260.22 and 411.42 is: 617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.97 : 2,260.22 = 411.42 : x
  2. Step 2: Convert to fraction form
    1,506.97/2,260.22 = 411.42/x
  3. Step 3: Cross multiply
    1,506.97x = 2,260.22 × 411.42
  4. Step 4: Simplify right side
    1,506.97x = 929,899.71
  5. Step 5: Solve for x
    x = 929,899.71/1,506.97
  6. Step 6: Final answer
    x = 617.07

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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.