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Finding the Fourth Proportional to 1,167.40, 1,751.66 and 582.46

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Solution

The fourth proportional to 1,167.40, 1,751.66 and 582.46 is: 873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.40 : 1,751.66 = 582.46 : x
  2. Step 2: Convert to fraction form
    1,167.40/1,751.66 = 582.46/x
  3. Step 3: Cross multiply
    1,167.40x = 1,751.66 × 582.46
  4. Step 4: Simplify right side
    1,167.40x = 1,020,271.88
  5. Step 5: Solve for x
    x = 1,020,271.88/1,167.40
  6. Step 6: Final answer
    x = 873.97

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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.