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Finding the Fourth Proportional to 449,292.60, 673,601.94 and 271,763.28

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Solution

The fourth proportional to 449,292.60, 673,601.94 and 271,763.28 is: 407,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,292.60 : 673,601.94 = 271,763.28 : x
  2. Step 2: Convert to fraction form
    449,292.60/673,601.94 = 271,763.28/x
  3. Step 3: Cross multiply
    449,292.60x = 673,601.94 × 271,763.28
  4. Step 4: Simplify right side
    449,292.60x = 183,060,272,628.76
  5. Step 5: Solve for x
    x = 183,060,272,628.76/449,292.60
  6. Step 6: Final answer
    x = 407,441.10

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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.