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Finding the Fourth Proportional to 582,647.27, 804,129.86 and 328,048.07

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Solution

The fourth proportional to 582,647.27, 804,129.86 and 328,048.07 is: 452,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,647.27 : 804,129.86 = 328,048.07 : x
  2. Step 2: Convert to fraction form
    582,647.27/804,129.86 = 328,048.07/x
  3. Step 3: Cross multiply
    582,647.27x = 804,129.86 × 328,048.07
  4. Step 4: Simplify right side
    582,647.27x = 263,793,245,401.84
  5. Step 5: Solve for x
    x = 263,793,245,401.84/582,647.27
  6. Step 6: Final answer
    x = 452,749.48

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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.