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Finding the Fourth Proportional to 852.08, 1,176.18 and 503.06

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Solution

The fourth proportional to 852.08, 1,176.18 and 503.06 is: 694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.08 : 1,176.18 = 503.06 : x
  2. Step 2: Convert to fraction form
    852.08/1,176.18 = 503.06/x
  3. Step 3: Cross multiply
    852.08x = 1,176.18 × 503.06
  4. Step 4: Simplify right side
    852.08x = 591,689.11
  5. Step 5: Solve for x
    x = 591,689.11/852.08
  6. Step 6: Final answer
    x = 694.41

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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.