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Finding the Fourth Proportional to 446,543.70, 669,815.55 and 396,777.30

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Solution

The fourth proportional to 446,543.70, 669,815.55 and 396,777.30 is: 595,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,543.70 : 669,815.55 = 396,777.30 : x
  2. Step 2: Convert to fraction form
    446,543.70/669,815.55 = 396,777.30/x
  3. Step 3: Cross multiply
    446,543.70x = 669,815.55 × 396,777.30
  4. Step 4: Simplify right side
    446,543.70x = 265,767,605,427.02
  5. Step 5: Solve for x
    x = 265,767,605,427.02/446,543.70
  6. Step 6: Final answer
    x = 595,165.95

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Similar ratio
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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.