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Finding the Fourth Proportional to 1,077.06, 1,486.24 and 598.48

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Solution

The fourth proportional to 1,077.06, 1,486.24 and 598.48 is: 825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.06 : 1,486.24 = 598.48 : x
  2. Step 2: Convert to fraction form
    1,077.06/1,486.24 = 598.48/x
  3. Step 3: Cross multiply
    1,077.06x = 1,486.24 × 598.48
  4. Step 4: Simplify right side
    1,077.06x = 889,484.92
  5. Step 5: Solve for x
    x = 889,484.92/1,077.06
  6. Step 6: Final answer
    x = 825.85

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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.