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Finding the Fourth Proportional to 446,893.74, 669,443.04 and 206,670.90

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Solution

The fourth proportional to 446,893.74, 669,443.04 and 206,670.90 is: 309,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,893.74 : 669,443.04 = 206,670.90 : x
  2. Step 2: Convert to fraction form
    446,893.74/669,443.04 = 206,670.90/x
  3. Step 3: Cross multiply
    446,893.74x = 669,443.04 × 206,670.90
  4. Step 4: Simplify right side
    446,893.74x = 138,354,395,575.54
  5. Step 5: Solve for x
    x = 138,354,395,575.54/446,893.74
  6. Step 6: Final answer
    x = 309,591.26

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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.