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Finding the Fourth Proportional to 582,691.76, 804,105.72 and 328,042.16

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Solution

The fourth proportional to 582,691.76, 804,105.72 and 328,042.16 is: 452,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,691.76 : 804,105.72 = 328,042.16 : x
  2. Step 2: Convert to fraction form
    582,691.76/804,105.72 = 328,042.16/x
  3. Step 3: Cross multiply
    582,691.76x = 804,105.72 × 328,042.16
  4. Step 4: Simplify right side
    582,691.76x = 263,780,577,257.16
  5. Step 5: Solve for x
    x = 263,780,577,257.16/582,691.76
  6. Step 6: Final answer
    x = 452,693.17

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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.