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Finding the Fourth Proportional to 444,080.70, 664,961.60 and 291,798.98

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Solution

The fourth proportional to 444,080.70, 664,961.60 and 291,798.98 is: 436,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,080.70 : 664,961.60 = 291,798.98 : x
  2. Step 2: Convert to fraction form
    444,080.70/664,961.60 = 291,798.98/x
  3. Step 3: Cross multiply
    444,080.70x = 664,961.60 × 291,798.98
  4. Step 4: Simplify right side
    444,080.70x = 194,035,116,619.17
  5. Step 5: Solve for x
    x = 194,035,116,619.17/444,080.70
  6. Step 6: Final answer
    x = 436,936.61

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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.