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Finding the Fourth Proportional to 582,676.32, 804,108.32 and 328,036.56

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Solution

The fourth proportional to 582,676.32, 804,108.32 and 328,036.56 is: 452,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,676.32 : 804,108.32 = 328,036.56 : x
  2. Step 2: Convert to fraction form
    582,676.32/804,108.32 = 328,036.56/x
  3. Step 3: Cross multiply
    582,676.32x = 804,108.32 × 328,036.56
  4. Step 4: Simplify right side
    582,676.32x = 263,776,927,160.18
  5. Step 5: Solve for x
    x = 263,776,927,160.18/582,676.32
  6. Step 6: Final answer
    x = 452,698.90

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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.