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Finding the Fourth Proportional to 1,173.04, 1,758.85 and 587.36

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Solution

The fourth proportional to 1,173.04, 1,758.85 and 587.36 is: 880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.04 : 1,758.85 = 587.36 : x
  2. Step 2: Convert to fraction form
    1,173.04/1,758.85 = 587.36/x
  3. Step 3: Cross multiply
    1,173.04x = 1,758.85 × 587.36
  4. Step 4: Simplify right side
    1,173.04x = 1,033,078.14
  5. Step 5: Solve for x
    x = 1,033,078.14/1,173.04
  6. Step 6: Final answer
    x = 880.68

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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.