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Finding the Fourth Proportional to 446,615.70, 669,923.55 and 404,625.30

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Solution

The fourth proportional to 446,615.70, 669,923.55 and 404,625.30 is: 606,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,615.70 : 669,923.55 = 404,625.30 : x
  2. Step 2: Convert to fraction form
    446,615.70/669,923.55 = 404,625.30/x
  3. Step 3: Cross multiply
    446,615.70x = 669,923.55 × 404,625.30
  4. Step 4: Simplify right side
    446,615.70x = 271,068,017,395.82
  5. Step 5: Solve for x
    x = 271,068,017,395.82/446,615.70
  6. Step 6: Final answer
    x = 606,937.95

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Similar ratio
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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.