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Finding the Fourth Proportional to 852.04, 1,175.78 and 473.92

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Solution

The fourth proportional to 852.04, 1,175.78 and 473.92 is: 653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.04 : 1,175.78 = 473.92 : x
  2. Step 2: Convert to fraction form
    852.04/1,175.78 = 473.92/x
  3. Step 3: Cross multiply
    852.04x = 1,175.78 × 473.92
  4. Step 4: Simplify right side
    852.04x = 557,219.78
  5. Step 5: Solve for x
    x = 557,219.78/852.04
  6. Step 6: Final answer
    x = 653.98

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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.