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Finding the Fourth Proportional to 446,548.74, 669,123 and 379,714.02

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Solution

The fourth proportional to 446,548.74, 669,123 and 379,714.02 is: 568,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,548.74 : 669,123 = 379,714.02 : x
  2. Step 2: Convert to fraction form
    446,548.74/669,123 = 379,714.02/x
  3. Step 3: Cross multiply
    446,548.74x = 669,123 × 379,714.02
  4. Step 4: Simplify right side
    446,548.74x = 254,075,384,204.46
  5. Step 5: Solve for x
    x = 254,075,384,204.46/446,548.74
  6. Step 6: Final answer
    x = 568,975.71

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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.