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Finding the Fourth Proportional to 852.41, 1,175.76 and 603.74

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Solution

The fourth proportional to 852.41, 1,175.76 and 603.74 is: 832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.41 : 1,175.76 = 603.74 : x
  2. Step 2: Convert to fraction form
    852.41/1,175.76 = 603.74/x
  3. Step 3: Cross multiply
    852.41x = 1,175.76 × 603.74
  4. Step 4: Simplify right side
    852.41x = 709,847.46
  5. Step 5: Solve for x
    x = 709,847.46/852.41
  6. Step 6: Final answer
    x = 832.76

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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.