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Finding the Fourth Proportional to 446,601.20, 669,124.20 and 384,393.20

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Solution

The fourth proportional to 446,601.20, 669,124.20 and 384,393.20 is: 575,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,601.20 : 669,124.20 = 384,393.20 : x
  2. Step 2: Convert to fraction form
    446,601.20/669,124.20 = 384,393.20/x
  3. Step 3: Cross multiply
    446,601.20x = 669,124.20 × 384,393.20
  4. Step 4: Simplify right side
    446,601.20x = 257,206,792,435.44
  5. Step 5: Solve for x
    x = 257,206,792,435.44/446,601.20
  6. Step 6: Final answer
    x = 575,920.51

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1.5x scale

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.