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Finding the Fourth Proportional to 852.35, 1,176.46 and 503.03

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Solution

The fourth proportional to 852.35, 1,176.46 and 503.03 is: 694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.35 : 1,176.46 = 503.03 : x
  2. Step 2: Convert to fraction form
    852.35/1,176.46 = 503.03/x
  3. Step 3: Cross multiply
    852.35x = 1,176.46 × 503.03
  4. Step 4: Simplify right side
    852.35x = 591,796.36
  5. Step 5: Solve for x
    x = 591,796.36/852.35
  6. Step 6: Final answer
    x = 694.32

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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.