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Finding the Fourth Proportional to 1,074.40, 1,610.52 and 586.44

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Solution

The fourth proportional to 1,074.40, 1,610.52 and 586.44 is: 879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.40 : 1,610.52 = 586.44 : x
  2. Step 2: Convert to fraction form
    1,074.40/1,610.52 = 586.44/x
  3. Step 3: Cross multiply
    1,074.40x = 1,610.52 × 586.44
  4. Step 4: Simplify right side
    1,074.40x = 944,473.35
  5. Step 5: Solve for x
    x = 944,473.35/1,074.40
  6. Step 6: Final answer
    x = 879.07

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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.