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Finding the Fourth Proportional to 582,698.28, 804,138.66 and 328,058.58

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Solution

The fourth proportional to 582,698.28, 804,138.66 and 328,058.58 is: 452,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,698.28 : 804,138.66 = 328,058.58 : x
  2. Step 2: Convert to fraction form
    582,698.28/804,138.66 = 328,058.58/x
  3. Step 3: Cross multiply
    582,698.28x = 804,138.66 × 328,058.58
  4. Step 4: Simplify right side
    582,698.28x = 263,804,586,922.70
  5. Step 5: Solve for x
    x = 263,804,586,922.70/582,698.28
  6. Step 6: Final answer
    x = 452,729.30

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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.