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Finding the Fourth Proportional to 582,992.32, 804,532.08 and 328,347.76

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Solution

The fourth proportional to 582,992.32, 804,532.08 and 328,347.76 is: 453,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,992.32 : 804,532.08 = 328,347.76 : x
  2. Step 2: Convert to fraction form
    582,992.32/804,532.08 = 328,347.76/x
  3. Step 3: Cross multiply
    582,992.32x = 804,532.08 × 328,347.76
  4. Step 4: Simplify right side
    582,992.32x = 264,166,306,316.14
  5. Step 5: Solve for x
    x = 264,166,306,316.14/582,992.32
  6. Step 6: Final answer
    x = 453,121.42

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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.