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Finding the Fourth Proportional to 852.24, 1,176.54 and 589.80

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Solution

The fourth proportional to 852.24, 1,176.54 and 589.80 is: 814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.24 : 1,176.54 = 589.80 : x
  2. Step 2: Convert to fraction form
    852.24/1,176.54 = 589.80/x
  3. Step 3: Cross multiply
    852.24x = 1,176.54 × 589.80
  4. Step 4: Simplify right side
    852.24x = 693,920.34
  5. Step 5: Solve for x
    x = 693,920.34/852.24
  6. Step 6: Final answer
    x = 814.23

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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.