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Finding the Fourth Proportional to 1,544.96, 2,315.36 and 570.12

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Solution

The fourth proportional to 1,544.96, 2,315.36 and 570.12 is: 854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.96 : 2,315.36 = 570.12 : x
  2. Step 2: Convert to fraction form
    1,544.96/2,315.36 = 570.12/x
  3. Step 3: Cross multiply
    1,544.96x = 2,315.36 × 570.12
  4. Step 4: Simplify right side
    1,544.96x = 1,320,033.04
  5. Step 5: Solve for x
    x = 1,320,033.04/1,544.96
  6. Step 6: Final answer
    x = 854.41

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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.