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Finding the Fourth Proportional to 582,647.52, 804,130.22 and 328,048.32

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Solution

The fourth proportional to 582,647.52, 804,130.22 and 328,048.32 is: 452,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,647.52 : 804,130.22 = 328,048.32 : x
  2. Step 2: Convert to fraction form
    582,647.52/804,130.22 = 328,048.32/x
  3. Step 3: Cross multiply
    582,647.52x = 804,130.22 × 328,048.32
  4. Step 4: Simplify right side
    582,647.52x = 263,793,567,732.23
  5. Step 5: Solve for x
    x = 263,793,567,732.23/582,647.52
  6. Step 6: Final answer
    x = 452,749.83

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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.