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Finding the Fourth Proportional to 446,569.20, 669,076.20 and 384,361.20

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Solution

The fourth proportional to 446,569.20, 669,076.20 and 384,361.20 is: 575,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,569.20 : 669,076.20 = 384,361.20 : x
  2. Step 2: Convert to fraction form
    446,569.20/669,076.20 = 384,361.20/x
  3. Step 3: Cross multiply
    446,569.20x = 669,076.20 × 384,361.20
  4. Step 4: Simplify right side
    446,569.20x = 257,166,931,123.44
  5. Step 5: Solve for x
    x = 257,166,931,123.44/446,569.20
  6. Step 6: Final answer
    x = 575,872.52

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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.