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Finding the Fourth Proportional to 554.04, 764.73 and 536.72

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Solution

The fourth proportional to 554.04, 764.73 and 536.72 is: 740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.04 : 764.73 = 536.72 : x
  2. Step 2: Convert to fraction form
    554.04/764.73 = 536.72/x
  3. Step 3: Cross multiply
    554.04x = 764.73 × 536.72
  4. Step 4: Simplify right side
    554.04x = 410,442.06
  5. Step 5: Solve for x
    x = 410,442.06/554.04
  6. Step 6: Final answer
    x = 740.82

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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.