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Finding the Fourth Proportional to 446,603.20, 669,904.80 and 404,612.80

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Solution

The fourth proportional to 446,603.20, 669,904.80 and 404,612.80 is: 606,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,603.20 : 669,904.80 = 404,612.80 : x
  2. Step 2: Convert to fraction form
    446,603.20/669,904.80 = 404,612.80/x
  3. Step 3: Cross multiply
    446,603.20x = 669,904.80 × 404,612.80
  4. Step 4: Simplify right side
    446,603.20x = 271,052,056,861.44
  5. Step 5: Solve for x
    x = 271,052,056,861.44/446,603.20
  6. Step 6: Final answer
    x = 606,919.20

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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.