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Finding the Fourth Proportional to 764.14, 1,054.92 and 598

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Solution

The fourth proportional to 764.14, 1,054.92 and 598 is: 825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764.14 : 1,054.92 = 598 : x
  2. Step 2: Convert to fraction form
    764.14/1,054.92 = 598/x
  3. Step 3: Cross multiply
    764.14x = 1,054.92 × 598
  4. Step 4: Simplify right side
    764.14x = 630,842.16
  5. Step 5: Solve for x
    x = 630,842.16/764.14
  6. Step 6: Final answer
    x = 825.56

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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.