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Finding the Fourth Proportional to 554.04, 825.48 and 535.68

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Solution

The fourth proportional to 554.04, 825.48 and 535.68 is: 798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.04 : 825.48 = 535.68 : x
  2. Step 2: Convert to fraction form
    554.04/825.48 = 535.68/x
  3. Step 3: Cross multiply
    554.04x = 825.48 × 535.68
  4. Step 4: Simplify right side
    554.04x = 442,193.13
  5. Step 5: Solve for x
    x = 442,193.13/554.04
  6. Step 6: Final answer
    x = 798.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.