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Finding the Fourth Proportional to 484,529.54, 725,994.50 and 281,555.84

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Solution

The fourth proportional to 484,529.54, 725,994.50 and 281,555.84 is: 421,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,529.54 : 725,994.50 = 281,555.84 : x
  2. Step 2: Convert to fraction form
    484,529.54/725,994.50 = 281,555.84/x
  3. Step 3: Cross multiply
    484,529.54x = 725,994.50 × 281,555.84
  4. Step 4: Simplify right side
    484,529.54x = 204,407,991,282.88
  5. Step 5: Solve for x
    x = 204,407,991,282.88/484,529.54
  6. Step 6: Final answer
    x = 421,869.00

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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.