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Finding the Fourth Proportional to 446,590.40, 669,885.60 and 304,872.80

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Solution

The fourth proportional to 446,590.40, 669,885.60 and 304,872.80 is: 457,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,590.40 : 669,885.60 = 304,872.80 : x
  2. Step 2: Convert to fraction form
    446,590.40/669,885.60 = 304,872.80/x
  3. Step 3: Cross multiply
    446,590.40x = 669,885.60 × 304,872.80
  4. Step 4: Simplify right side
    446,590.40x = 204,229,898,551.68
  5. Step 5: Solve for x
    x = 204,229,898,551.68/446,590.40
  6. Step 6: Final answer
    x = 457,309.20

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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.