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Finding the Fourth Proportional to 764.01, 1,054.95 and 598.16

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Solution

The fourth proportional to 764.01, 1,054.95 and 598.16 is: 825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764.01 : 1,054.95 = 598.16 : x
  2. Step 2: Convert to fraction form
    764.01/1,054.95 = 598.16/x
  3. Step 3: Cross multiply
    764.01x = 1,054.95 × 598.16
  4. Step 4: Simplify right side
    764.01x = 631,028.89
  5. Step 5: Solve for x
    x = 631,028.89/764.01
  6. Step 6: Final answer
    x = 825.94

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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.