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Finding the Fourth Proportional to 1,176.99, 1,623.91 and 735.34

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Solution

The fourth proportional to 1,176.99, 1,623.91 and 735.34 is: 1,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.99 : 1,623.91 = 735.34 : x
  2. Step 2: Convert to fraction form
    1,176.99/1,623.91 = 735.34/x
  3. Step 3: Cross multiply
    1,176.99x = 1,623.91 × 735.34
  4. Step 4: Simplify right side
    1,176.99x = 1,194,117.86
  5. Step 5: Solve for x
    x = 1,194,117.86/1,176.99
  6. Step 6: Final answer
    x = 1,014.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.