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Finding the Fourth Proportional to 582,004.40, 873,662.70 and 449,472.20

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Solution

The fourth proportional to 582,004.40, 873,662.70 and 449,472.20 is: 674,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,004.40 : 873,662.70 = 449,472.20 : x
  2. Step 2: Convert to fraction form
    582,004.40/873,662.70 = 449,472.20/x
  3. Step 3: Cross multiply
    582,004.40x = 873,662.70 × 449,472.20
  4. Step 4: Simplify right side
    582,004.40x = 392,687,095,826.94
  5. Step 5: Solve for x
    x = 392,687,095,826.94/582,004.40
  6. Step 6: Final answer
    x = 674,714.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.