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Finding the Fourth Proportional to 449,584.92, 671,097.84 and 392,833.32

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Solution

The fourth proportional to 449,584.92, 671,097.84 and 392,833.32 is: 586,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,584.92 : 671,097.84 = 392,833.32 : x
  2. Step 2: Convert to fraction form
    449,584.92/671,097.84 = 392,833.32/x
  3. Step 3: Cross multiply
    449,584.92x = 671,097.84 × 392,833.32
  4. Step 4: Simplify right side
    449,584.92x = 263,629,592,532.03
  5. Step 5: Solve for x
    x = 263,629,592,532.03/449,584.92
  6. Step 6: Final answer
    x = 586,384.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.